Home / 18,332,139.20-27,442,221.60-14,301,060.80

Finding the Fourth Proportional to 18,332,139.20, 27,442,221.60 and 14,301,060.80

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Solution

The fourth proportional to 18,332,139.20, 27,442,221.60 and 14,301,060.80 is: 21,407,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,332,139.20 : 27,442,221.60 = 14,301,060.80 : x
  2. Step 2: Convert to fraction form
    18,332,139.20/27,442,221.60 = 14,301,060.80/x
  3. Step 3: Cross multiply
    18,332,139.20x = 27,442,221.60 × 14,301,060.80
  4. Step 4: Simplify right side
    18,332,139.20x = 392,452,879,588,673.31
  5. Step 5: Solve for x
    x = 392,452,879,588,673.31/18,332,139.20
  6. Step 6: Final answer
    x = 21,407,915.10

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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.