Home / 20,354,437.20-30,581,422.20-15,315,589.20

Finding the Fourth Proportional to 20,354,437.20, 30,581,422.20 and 15,315,589.20

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Solution

The fourth proportional to 20,354,437.20, 30,581,422.20 and 15,315,589.20 is: 23,010,830.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,354,437.20 : 30,581,422.20 = 15,315,589.20 : x
  2. Step 2: Convert to fraction form
    20,354,437.20/30,581,422.20 = 15,315,589.20/x
  3. Step 3: Cross multiply
    20,354,437.20x = 30,581,422.20 × 15,315,589.20
  4. Step 4: Simplify right side
    20,354,437.20x = 468,372,499,566,960.19
  5. Step 5: Solve for x
    x = 468,372,499,566,960.19/20,354,437.20
  6. Step 6: Final answer
    x = 23,010,830.27

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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.