Home / 8,815,471.93-13,188,995.85-7,727,803.19

Finding the Fourth Proportional to 8,815,471.93, 13,188,995.85 and 7,727,803.19

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Solution

The fourth proportional to 8,815,471.93, 13,188,995.85 and 7,727,803.19 is: 11,561,713.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815,471.93 : 13,188,995.85 = 7,727,803.19 : x
  2. Step 2: Convert to fraction form
    8,815,471.93/13,188,995.85 = 7,727,803.19/x
  3. Step 3: Cross multiply
    8,815,471.93x = 13,188,995.85 × 7,727,803.19
  4. Step 4: Simplify right side
    8,815,471.93x = 101,921,964,202,526.77
  5. Step 5: Solve for x
    x = 101,921,964,202,526.77/8,815,471.93
  6. Step 6: Final answer
    x = 11,561,713.88

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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.