Home / 31,396,121.36-47,100,022.68-10,924,989.20

Finding the Fourth Proportional to 31,396,121.36, 47,100,022.68 and 10,924,989.20

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Solution

The fourth proportional to 31,396,121.36, 47,100,022.68 and 10,924,989.20 is: 16,389,516.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,396,121.36 : 47,100,022.68 = 10,924,989.20 : x
  2. Step 2: Convert to fraction form
    31,396,121.36/47,100,022.68 = 10,924,989.20/x
  3. Step 3: Cross multiply
    31,396,121.36x = 47,100,022.68 × 10,924,989.20
  4. Step 4: Simplify right side
    31,396,121.36x = 514,567,239,098,755
  5. Step 5: Solve for x
    x = 514,567,239,098,755/31,396,121.36
  6. Step 6: Final answer
    x = 16,389,516.18

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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.