Home / 15,555,129.60-23,332,694.40-9,856,876.80

Finding the Fourth Proportional to 15,555,129.60, 23,332,694.40 and 9,856,876.80

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Solution

The fourth proportional to 15,555,129.60, 23,332,694.40 and 9,856,876.80 is: 14,785,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555,129.60 : 23,332,694.40 = 9,856,876.80 : x
  2. Step 2: Convert to fraction form
    15,555,129.60/23,332,694.40 = 9,856,876.80/x
  3. Step 3: Cross multiply
    15,555,129.60x = 23,332,694.40 × 9,856,876.80
  4. Step 4: Simplify right side
    15,555,129.60x = 229,987,494,112,849.94
  5. Step 5: Solve for x
    x = 229,987,494,112,849.94/15,555,129.60
  6. Step 6: Final answer
    x = 14,785,315.20

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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.