Home / 15,253,134-21,044,203.29-8,636,818.10

Finding the Fourth Proportional to 15,253,134, 21,044,203.29 and 8,636,818.10

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Solution

The fourth proportional to 15,253,134, 21,044,203.29 and 8,636,818.10 is: 11,915,908.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,253,134 : 21,044,203.29 = 8,636,818.10 : x
  2. Step 2: Convert to fraction form
    15,253,134/21,044,203.29 = 8,636,818.10/x
  3. Step 3: Cross multiply
    15,253,134x = 21,044,203.29 × 8,636,818.10
  4. Step 4: Simplify right side
    15,253,134x = 181,754,955,769,930.53
  5. Step 5: Solve for x
    x = 181,754,955,769,930.53/15,253,134
  6. Step 6: Final answer
    x = 11,915,908.94

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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.