Home / 8,263,999.70-12,395,999.55-6,374,431.70

Finding the Fourth Proportional to 8,263,999.70, 12,395,999.55 and 6,374,431.70

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Solution

The fourth proportional to 8,263,999.70, 12,395,999.55 and 6,374,431.70 is: 9,561,647.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263,999.70 : 12,395,999.55 = 6,374,431.70 : x
  2. Step 2: Convert to fraction form
    8,263,999.70/12,395,999.55 = 6,374,431.70/x
  3. Step 3: Cross multiply
    8,263,999.70x = 12,395,999.55 × 6,374,431.70
  4. Step 4: Simplify right side
    8,263,999.70x = 79,017,452,484,705.73
  5. Step 5: Solve for x
    x = 79,017,452,484,705.73/8,263,999.70
  6. Step 6: Final answer
    x = 9,561,647.55

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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.