Home / 17,719,147.20-26,578,720.80-8,761,195.20

Finding the Fourth Proportional to 17,719,147.20, 26,578,720.80 and 8,761,195.20

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Solution

The fourth proportional to 17,719,147.20, 26,578,720.80 and 8,761,195.20 is: 13,141,792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,719,147.20 : 26,578,720.80 = 8,761,195.20 : x
  2. Step 2: Convert to fraction form
    17,719,147.20/26,578,720.80 = 8,761,195.20/x
  3. Step 3: Cross multiply
    17,719,147.20x = 26,578,720.80 × 8,761,195.20
  4. Step 4: Simplify right side
    17,719,147.20x = 232,861,361,095,100.16
  5. Step 5: Solve for x
    x = 232,861,361,095,100.16/17,719,147.20
  6. Step 6: Final answer
    x = 13,141,792.80

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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.