Home / 20,431,525.68-28,194,229.98-11,264,168.43

Finding the Fourth Proportional to 20,431,525.68, 28,194,229.98 and 11,264,168.43

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Solution

The fourth proportional to 20,431,525.68, 28,194,229.98 and 11,264,168.43 is: 15,543,849.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,431,525.68 : 28,194,229.98 = 11,264,168.43 : x
  2. Step 2: Convert to fraction form
    20,431,525.68/28,194,229.98 = 11,264,168.43/x
  3. Step 3: Cross multiply
    20,431,525.68x = 28,194,229.98 × 11,264,168.43
  4. Step 4: Simplify right side
    20,431,525.68x = 317,584,555,248,875.50
  5. Step 5: Solve for x
    x = 317,584,555,248,875.50/20,431,525.68
  6. Step 6: Final answer
    x = 15,543,849.26

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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.