Home / 13,821,642.34-20,732,472.72-5,732,446.01

Finding the Fourth Proportional to 13,821,642.34, 20,732,472.72 and 5,732,446.01

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Solution

The fourth proportional to 13,821,642.34, 20,732,472.72 and 5,732,446.01 is: 8,598,672.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821,642.34 : 20,732,472.72 = 5,732,446.01 : x
  2. Step 2: Convert to fraction form
    13,821,642.34/20,732,472.72 = 5,732,446.01/x
  3. Step 3: Cross multiply
    13,821,642.34x = 20,732,472.72 × 5,732,446.01
  4. Step 4: Simplify right side
    13,821,642.34x = 118,847,780,521,197.83
  5. Step 5: Solve for x
    x = 118,847,780,521,197.83/13,821,642.34
  6. Step 6: Final answer
    x = 8,598,672.83

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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.