Home / 36,931,930.56-55,399,024.40-12,670,517.12

Finding the Fourth Proportional to 36,931,930.56, 55,399,024.40 and 12,670,517.12

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Solution

The fourth proportional to 36,931,930.56, 55,399,024.40 and 12,670,517.12 is: 19,006,162.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,931,930.56 : 55,399,024.40 = 12,670,517.12 : x
  2. Step 2: Convert to fraction form
    36,931,930.56/55,399,024.40 = 12,670,517.12/x
  3. Step 3: Cross multiply
    36,931,930.56x = 55,399,024.40 × 12,670,517.12
  4. Step 4: Simplify right side
    36,931,930.56x = 701,934,287,091,497.62
  5. Step 5: Solve for x
    x = 701,934,287,091,497.62/36,931,930.56
  6. Step 6: Final answer
    x = 19,006,162.86

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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.