Home / 15,497,693.48-21,377,910.82-9,686,389.64

Finding the Fourth Proportional to 15,497,693.48, 21,377,910.82 and 9,686,389.64

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Solution

The fourth proportional to 15,497,693.48, 21,377,910.82 and 9,686,389.64 is: 13,361,651.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,497,693.48 : 21,377,910.82 = 9,686,389.64 : x
  2. Step 2: Convert to fraction form
    15,497,693.48/21,377,910.82 = 9,686,389.64/x
  3. Step 3: Cross multiply
    15,497,693.48x = 21,377,910.82 × 9,686,389.64
  4. Step 4: Simplify right side
    15,497,693.48x = 207,074,773,891,691.91
  5. Step 5: Solve for x
    x = 207,074,773,891,691.91/15,497,693.48
  6. Step 6: Final answer
    x = 13,361,651.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.