Home / 19,960,049.20-29,940,073.80-18,700,337.20

Finding the Fourth Proportional to 19,960,049.20, 29,940,073.80 and 18,700,337.20

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Solution

The fourth proportional to 19,960,049.20, 29,940,073.80 and 18,700,337.20 is: 28,050,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960,049.20 : 29,940,073.80 = 18,700,337.20 : x
  2. Step 2: Convert to fraction form
    19,960,049.20/29,940,073.80 = 18,700,337.20/x
  3. Step 3: Cross multiply
    19,960,049.20x = 29,940,073.80 × 18,700,337.20
  4. Step 4: Simplify right side
    19,960,049.20x = 559,889,475,852,885.38
  5. Step 5: Solve for x
    x = 559,889,475,852,885.38/19,960,049.20
  6. Step 6: Final answer
    x = 28,050,505.80

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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.