Home / 9,981,792.60-14,972,688.90-8,722,080.60

Finding the Fourth Proportional to 9,981,792.60, 14,972,688.90 and 8,722,080.60

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Solution

The fourth proportional to 9,981,792.60, 14,972,688.90 and 8,722,080.60 is: 13,083,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981,792.60 : 14,972,688.90 = 8,722,080.60 : x
  2. Step 2: Convert to fraction form
    9,981,792.60/14,972,688.90 = 8,722,080.60/x
  3. Step 3: Cross multiply
    9,981,792.60x = 14,972,688.90 × 8,722,080.60
  4. Step 4: Simplify right side
    9,981,792.60x = 130,592,999,384,525.34
  5. Step 5: Solve for x
    x = 130,592,999,384,525.34/9,981,792.60
  6. Step 6: Final answer
    x = 13,083,120.90

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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.