Home / 31,501,122.90-47,157,205.95-18,715,046.10

Finding the Fourth Proportional to 31,501,122.90, 47,157,205.95 and 18,715,046.10

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Solution

The fourth proportional to 31,501,122.90, 47,157,205.95 and 18,715,046.10 is: 28,016,438.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,501,122.90 : 47,157,205.95 = 18,715,046.10 : x
  2. Step 2: Convert to fraction form
    31,501,122.90/47,157,205.95 = 18,715,046.10/x
  3. Step 3: Cross multiply
    31,501,122.90x = 47,157,205.95 × 18,715,046.10
  4. Step 4: Simplify right side
    31,501,122.90x = 882,549,283,301,444.38
  5. Step 5: Solve for x
    x = 882,549,283,301,444.38/31,501,122.90
  6. Step 6: Final answer
    x = 28,016,438.85

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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.