Home / 17,337,470.60-23,941,792.14-12,978,990.20

Finding the Fourth Proportional to 17,337,470.60, 23,941,792.14 and 12,978,990.20

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Solution

The fourth proportional to 17,337,470.60, 23,941,792.14 and 12,978,990.20 is: 17,923,046.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,337,470.60 : 23,941,792.14 = 12,978,990.20 : x
  2. Step 2: Convert to fraction form
    17,337,470.60/23,941,792.14 = 12,978,990.20/x
  3. Step 3: Cross multiply
    17,337,470.60x = 23,941,792.14 × 12,978,990.20
  4. Step 4: Simplify right side
    17,337,470.60x = 310,740,285,555,497
  5. Step 5: Solve for x
    x = 310,740,285,555,497/17,337,470.60
  6. Step 6: Final answer
    x = 17,923,046.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.