Home / 9,981,790.60-14,972,685.90-8,722,078.60

Finding the Fourth Proportional to 9,981,790.60, 14,972,685.90 and 8,722,078.60

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Solution

The fourth proportional to 9,981,790.60, 14,972,685.90 and 8,722,078.60 is: 13,083,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981,790.60 : 14,972,685.90 = 8,722,078.60 : x
  2. Step 2: Convert to fraction form
    9,981,790.60/14,972,685.90 = 8,722,078.60/x
  3. Step 3: Cross multiply
    9,981,790.60x = 14,972,685.90 × 8,722,078.60
  4. Step 4: Simplify right side
    9,981,790.60x = 130,592,943,272,911.73
  5. Step 5: Solve for x
    x = 130,592,943,272,911.73/9,981,790.60
  6. Step 6: Final answer
    x = 13,083,117.90

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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.