Home / 38,234,715.20-57,344,102.40-13,985,064.80

Finding the Fourth Proportional to 38,234,715.20, 57,344,102.40 and 13,985,064.80

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Solution

The fourth proportional to 38,234,715.20, 57,344,102.40 and 13,985,064.80 is: 20,974,681.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,234,715.20 : 57,344,102.40 = 13,985,064.80 : x
  2. Step 2: Convert to fraction form
    38,234,715.20/57,344,102.40 = 13,985,064.80/x
  3. Step 3: Cross multiply
    38,234,715.20x = 57,344,102.40 × 13,985,064.80
  4. Step 4: Simplify right side
    38,234,715.20x = 801,960,987,961,835.50
  5. Step 5: Solve for x
    x = 801,960,987,961,835.50/38,234,715.20
  6. Step 6: Final answer
    x = 20,974,681.88

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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.