Home / 13,532,615.99-20,278,026.86-9,138,531.30

Finding the Fourth Proportional to 13,532,615.99, 20,278,026.86 and 9,138,531.30

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Solution

The fourth proportional to 13,532,615.99, 20,278,026.86 and 9,138,531.30 is: 13,693,685.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532,615.99 : 20,278,026.86 = 9,138,531.30 : x
  2. Step 2: Convert to fraction form
    13,532,615.99/20,278,026.86 = 9,138,531.30/x
  3. Step 3: Cross multiply
    13,532,615.99x = 20,278,026.86 × 9,138,531.30
  4. Step 4: Simplify right side
    13,532,615.99x = 185,311,383,162,350.72
  5. Step 5: Solve for x
    x = 185,311,383,162,350.72/13,532,615.99
  6. Step 6: Final answer
    x = 13,693,685.19

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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.