Home / 20,574,753.65-30,801,589.66-13,734,360.76

Finding the Fourth Proportional to 20,574,753.65, 30,801,589.66 and 13,734,360.76

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Solution

The fourth proportional to 20,574,753.65, 30,801,589.66 and 13,734,360.76 is: 20,561,128.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,574,753.65 : 30,801,589.66 = 13,734,360.76 : x
  2. Step 2: Convert to fraction form
    20,574,753.65/30,801,589.66 = 13,734,360.76/x
  3. Step 3: Cross multiply
    20,574,753.65x = 30,801,589.66 × 13,734,360.76
  4. Step 4: Simplify right side
    20,574,753.65x = 423,040,144,149,246
  5. Step 5: Solve for x
    x = 423,040,144,149,246/20,574,753.65
  6. Step 6: Final answer
    x = 20,561,128.04

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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.