Home / 20,734,780.28-31,098,625.62-5,585,168.84

Finding the Fourth Proportional to 20,734,780.28, 31,098,625.62 and 5,585,168.84

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Solution

The fourth proportional to 20,734,780.28, 31,098,625.62 and 5,585,168.84 is: 8,376,798.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734,780.28 : 31,098,625.62 = 5,585,168.84 : x
  2. Step 2: Convert to fraction form
    20,734,780.28/31,098,625.62 = 5,585,168.84/x
  3. Step 3: Cross multiply
    20,734,780.28x = 31,098,625.62 × 5,585,168.84
  4. Step 4: Simplify right side
    20,734,780.28x = 173,691,074,779,649.69
  5. Step 5: Solve for x
    x = 173,691,074,779,649.69/20,734,780.28
  6. Step 6: Final answer
    x = 8,376,798.42

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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.