Home / 13,689,292.52-20,554,124.78-7,635,851.48

Finding the Fourth Proportional to 13,689,292.52, 20,554,124.78 and 7,635,851.48

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Solution

The fourth proportional to 13,689,292.52, 20,554,124.78 and 7,635,851.48 is: 11,465,036.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,689,292.52 : 20,554,124.78 = 7,635,851.48 : x
  2. Step 2: Convert to fraction form
    13,689,292.52/20,554,124.78 = 7,635,851.48/x
  3. Step 3: Cross multiply
    13,689,292.52x = 20,554,124.78 × 7,635,851.48
  4. Step 4: Simplify right side
    13,689,292.52x = 156,948,244,121,467.69
  5. Step 5: Solve for x
    x = 156,948,244,121,467.69/13,689,292.52
  6. Step 6: Final answer
    x = 11,465,036.92

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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.