Home / 8,990,635.60-13,485,953.40-7,395,000.40

Finding the Fourth Proportional to 8,990,635.60, 13,485,953.40 and 7,395,000.40

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Solution

The fourth proportional to 8,990,635.60, 13,485,953.40 and 7,395,000.40 is: 11,092,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990,635.60 : 13,485,953.40 = 7,395,000.40 : x
  2. Step 2: Convert to fraction form
    8,990,635.60/13,485,953.40 = 7,395,000.40/x
  3. Step 3: Cross multiply
    8,990,635.60x = 13,485,953.40 × 7,395,000.40
  4. Step 4: Simplify right side
    8,990,635.60x = 99,728,630,787,381.38
  5. Step 5: Solve for x
    x = 99,728,630,787,381.38/8,990,635.60
  6. Step 6: Final answer
    x = 11,092,500.60

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Double scale
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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.