Home / 20,732,593.05-31,098,889.58-13,192,983.45

Finding the Fourth Proportional to 20,732,593.05, 31,098,889.58 and 13,192,983.45

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Solution

The fourth proportional to 20,732,593.05, 31,098,889.58 and 13,192,983.45 is: 19,789,475.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732,593.05 : 31,098,889.58 = 13,192,983.45 : x
  2. Step 2: Convert to fraction form
    20,732,593.05/31,098,889.58 = 13,192,983.45/x
  3. Step 3: Cross multiply
    20,732,593.05x = 31,098,889.58 × 13,192,983.45
  4. Step 4: Simplify right side
    20,732,593.05x = 410,287,135,476,352.50
  5. Step 5: Solve for x
    x = 410,287,135,476,352.50/20,732,593.05
  6. Step 6: Final answer
    x = 19,789,475.18

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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.