Home / 18,696,411.62-28,044,591.20-10,392,493.82

Finding the Fourth Proportional to 18,696,411.62, 28,044,591.20 and 10,392,493.82

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Solution

The fourth proportional to 18,696,411.62, 28,044,591.20 and 10,392,493.82 is: 15,588,726.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696,411.62 : 28,044,591.20 = 10,392,493.82 : x
  2. Step 2: Convert to fraction form
    18,696,411.62/28,044,591.20 = 10,392,493.82/x
  3. Step 3: Cross multiply
    18,696,411.62x = 28,044,591.20 × 10,392,493.82
  4. Step 4: Simplify right side
    18,696,411.62x = 291,453,240,538,240.94
  5. Step 5: Solve for x
    x = 291,453,240,538,240.94/18,696,411.62
  6. Step 6: Final answer
    x = 15,588,726.14

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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.