Home / 31,425,465.28-47,149,712.52-13,234,239.88

Finding the Fourth Proportional to 31,425,465.28, 47,149,712.52 and 13,234,239.88

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Solution

The fourth proportional to 31,425,465.28, 47,149,712.52 and 13,234,239.88 is: 19,856,208.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,425,465.28 : 47,149,712.52 = 13,234,239.88 : x
  2. Step 2: Convert to fraction form
    31,425,465.28/47,149,712.52 = 13,234,239.88/x
  3. Step 3: Cross multiply
    31,425,465.28x = 47,149,712.52 × 13,234,239.88
  4. Step 4: Simplify right side
    31,425,465.28x = 623,990,605,762,719.38
  5. Step 5: Solve for x
    x = 623,990,605,762,719.38/31,425,465.28
  6. Step 6: Final answer
    x = 19,856,208.98

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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.