Home / 31,439,737.14-47,159,602.83-8,720,635.38

Finding the Fourth Proportional to 31,439,737.14, 47,159,602.83 and 8,720,635.38

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Solution

The fourth proportional to 31,439,737.14, 47,159,602.83 and 8,720,635.38 is: 13,080,952.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,439,737.14 : 47,159,602.83 = 8,720,635.38 : x
  2. Step 2: Convert to fraction form
    31,439,737.14/47,159,602.83 = 8,720,635.38/x
  3. Step 3: Cross multiply
    31,439,737.14x = 47,159,602.83 × 8,720,635.38
  4. Step 4: Simplify right side
    31,439,737.14x = 411,261,700,946,046.12
  5. Step 5: Solve for x
    x = 411,261,700,946,046.12/31,439,737.14
  6. Step 6: Final answer
    x = 13,080,952.27

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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.