Home / 15,141,633.20-20,895,347.50-8,266,115.26

Finding the Fourth Proportional to 15,141,633.20, 20,895,347.50 and 8,266,115.26

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Solution

The fourth proportional to 15,141,633.20, 20,895,347.50 and 8,266,115.26 is: 11,407,181.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141,633.20 : 20,895,347.50 = 8,266,115.26 : x
  2. Step 2: Convert to fraction form
    15,141,633.20/20,895,347.50 = 8,266,115.26/x
  3. Step 3: Cross multiply
    15,141,633.20x = 20,895,347.50 × 8,266,115.26
  4. Step 4: Simplify right side
    15,141,633.20x = 172,723,350,832,752.84
  5. Step 5: Solve for x
    x = 172,723,350,832,752.84/15,141,633.20
  6. Step 6: Final answer
    x = 11,407,181.02

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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.