Home / 20,087,342.70-30,134,892.33-8,572,641.90

Finding the Fourth Proportional to 20,087,342.70, 30,134,892.33 and 8,572,641.90

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Solution

The fourth proportional to 20,087,342.70, 30,134,892.33 and 8,572,641.90 is: 12,860,617.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,087,342.70 : 30,134,892.33 = 8,572,641.90 : x
  2. Step 2: Convert to fraction form
    20,087,342.70/30,134,892.33 = 8,572,641.90/x
  3. Step 3: Cross multiply
    20,087,342.70x = 30,134,892.33 × 8,572,641.90
  4. Step 4: Simplify right side
    20,087,342.70x = 258,335,640,720,764.41
  5. Step 5: Solve for x
    x = 258,335,640,720,764.41/20,087,342.70
  6. Step 6: Final answer
    x = 12,860,617.98

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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.