Home / 10,376,979.90-15,565,469.85-6,607,175.10

Finding the Fourth Proportional to 10,376,979.90, 15,565,469.85 and 6,607,175.10

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Solution

The fourth proportional to 10,376,979.90, 15,565,469.85 and 6,607,175.10 is: 9,910,762.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376,979.90 : 15,565,469.85 = 6,607,175.10 : x
  2. Step 2: Convert to fraction form
    10,376,979.90/15,565,469.85 = 6,607,175.10/x
  3. Step 3: Cross multiply
    10,376,979.90x = 15,565,469.85 × 6,607,175.10
  4. Step 4: Simplify right side
    10,376,979.90x = 102,843,784,812,720.73
  5. Step 5: Solve for x
    x = 102,843,784,812,720.73/10,376,979.90
  6. Step 6: Final answer
    x = 9,910,762.65

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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.