Home / 18,144,414.30-27,216,621.45-10,491,663.90

Finding the Fourth Proportional to 18,144,414.30, 27,216,621.45 and 10,491,663.90

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Solution

The fourth proportional to 18,144,414.30, 27,216,621.45 and 10,491,663.90 is: 15,737,495.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,414.30 : 27,216,621.45 = 10,491,663.90 : x
  2. Step 2: Convert to fraction form
    18,144,414.30/27,216,621.45 = 10,491,663.90/x
  3. Step 3: Cross multiply
    18,144,414.30x = 27,216,621.45 × 10,491,663.90
  4. Step 4: Simplify right side
    18,144,414.30x = 285,547,644,746,930.69
  5. Step 5: Solve for x
    x = 285,547,644,746,930.69/18,144,414.30
  6. Step 6: Final answer
    x = 15,737,495.85

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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.