Home / 11,741,515.28-16,205,062.20-7,160,493.88

Finding the Fourth Proportional to 11,741,515.28, 16,205,062.20 and 7,160,493.88

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Solution

The fourth proportional to 11,741,515.28, 16,205,062.20 and 7,160,493.88 is: 9,882,561.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,741,515.28 : 16,205,062.20 = 7,160,493.88 : x
  2. Step 2: Convert to fraction form
    11,741,515.28/16,205,062.20 = 7,160,493.88/x
  3. Step 3: Cross multiply
    11,741,515.28x = 16,205,062.20 × 7,160,493.88
  4. Step 4: Simplify right side
    11,741,515.28x = 116,036,248,708,119.33
  5. Step 5: Solve for x
    x = 116,036,248,708,119.33/11,741,515.28
  6. Step 6: Final answer
    x = 9,882,561.66

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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.