Home / 31,690,020.80-47,535,031.20-17,305,242.14

Finding the Fourth Proportional to 31,690,020.80, 47,535,031.20 and 17,305,242.14

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Solution

The fourth proportional to 31,690,020.80, 47,535,031.20 and 17,305,242.14 is: 25,957,863.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,690,020.80 : 47,535,031.20 = 17,305,242.14 : x
  2. Step 2: Convert to fraction form
    31,690,020.80/47,535,031.20 = 17,305,242.14/x
  3. Step 3: Cross multiply
    31,690,020.80x = 47,535,031.20 × 17,305,242.14
  4. Step 4: Simplify right side
    31,690,020.80x = 822,605,225,048,454.88
  5. Step 5: Solve for x
    x = 822,605,225,048,454.88/31,690,020.80
  6. Step 6: Final answer
    x = 25,957,863.21

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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.