Home / 13,689,287.52-20,554,117.28-7,635,846.48

Finding the Fourth Proportional to 13,689,287.52, 20,554,117.28 and 7,635,846.48

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Solution

The fourth proportional to 13,689,287.52, 20,554,117.28 and 7,635,846.48 is: 11,465,029.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,689,287.52 : 20,554,117.28 = 7,635,846.48 : x
  2. Step 2: Convert to fraction form
    13,689,287.52/20,554,117.28 = 7,635,846.48/x
  3. Step 3: Cross multiply
    13,689,287.52x = 20,554,117.28 × 7,635,846.48
  4. Step 4: Simplify right side
    13,689,287.52x = 156,948,084,081,995.19
  5. Step 5: Solve for x
    x = 156,948,084,081,995.19/13,689,287.52
  6. Step 6: Final answer
    x = 11,465,029.41

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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.