Home / 9,981,789.60-14,972,684.40-8,722,077.60

Finding the Fourth Proportional to 9,981,789.60, 14,972,684.40 and 8,722,077.60

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Solution

The fourth proportional to 9,981,789.60, 14,972,684.40 and 8,722,077.60 is: 13,083,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981,789.60 : 14,972,684.40 = 8,722,077.60 : x
  2. Step 2: Convert to fraction form
    9,981,789.60/14,972,684.40 = 8,722,077.60/x
  3. Step 3: Cross multiply
    9,981,789.60x = 14,972,684.40 × 8,722,077.60
  4. Step 4: Simplify right side
    9,981,789.60x = 130,592,915,217,109.44
  5. Step 5: Solve for x
    x = 130,592,915,217,109.44/9,981,789.60
  6. Step 6: Final answer
    x = 13,083,116.40

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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.