Home / 20,725,924.38-31,024,190.46-15,267,172.38

Finding the Fourth Proportional to 20,725,924.38, 31,024,190.46 and 15,267,172.38

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Solution

The fourth proportional to 20,725,924.38, 31,024,190.46 and 15,267,172.38 is: 22,853,101.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,725,924.38 : 31,024,190.46 = 15,267,172.38 : x
  2. Step 2: Convert to fraction form
    20,725,924.38/31,024,190.46 = 15,267,172.38/x
  3. Step 3: Cross multiply
    20,725,924.38x = 31,024,190.46 × 15,267,172.38
  4. Step 4: Simplify right side
    20,725,924.38x = 473,651,663,702,771.56
  5. Step 5: Solve for x
    x = 473,651,663,702,771.56/20,725,924.38
  6. Step 6: Final answer
    x = 22,853,101.99

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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.