Home / 8,263,904.20-12,395,856.30-6,374,336.20

Finding the Fourth Proportional to 8,263,904.20, 12,395,856.30 and 6,374,336.20

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Solution

The fourth proportional to 8,263,904.20, 12,395,856.30 and 6,374,336.20 is: 9,561,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263,904.20 : 12,395,856.30 = 6,374,336.20 : x
  2. Step 2: Convert to fraction form
    8,263,904.20/12,395,856.30 = 6,374,336.20/x
  3. Step 3: Cross multiply
    8,263,904.20x = 12,395,856.30 × 6,374,336.20
  4. Step 4: Simplify right side
    8,263,904.20x = 79,015,355,543,088.06
  5. Step 5: Solve for x
    x = 79,015,355,543,088.06/8,263,904.20
  6. Step 6: Final answer
    x = 9,561,504.30

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Half scale
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Double scale
Find fourth proportional to 8,263,905.20, 12,395,857.80 and 6,374,337.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.