Home / 37,149,678.72-51,267,174.08-20,405,966.45

Finding the Fourth Proportional to 37,149,678.72, 51,267,174.08 and 20,405,966.45

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Solution

The fourth proportional to 37,149,678.72, 51,267,174.08 and 20,405,966.45 is: 28,160,572.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,149,678.72 : 51,267,174.08 = 20,405,966.45 : x
  2. Step 2: Convert to fraction form
    37,149,678.72/51,267,174.08 = 20,405,966.45/x
  3. Step 3: Cross multiply
    37,149,678.72x = 51,267,174.08 × 20,405,966.45
  4. Step 4: Simplify right side
    37,149,678.72x = 1,046,156,234,240,890.50
  5. Step 5: Solve for x
    x = 1,046,156,234,240,890.50/37,149,678.72
  6. Step 6: Final answer
    x = 28,160,572.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.