Home / 18,589,664.16-27,895,410.16-7,806,134.88

Finding the Fourth Proportional to 18,589,664.16, 27,895,410.16 and 7,806,134.88

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Solution

The fourth proportional to 18,589,664.16, 27,895,410.16 and 7,806,134.88 is: 11,713,785.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589,664.16 : 27,895,410.16 = 7,806,134.88 : x
  2. Step 2: Convert to fraction form
    18,589,664.16/27,895,410.16 = 7,806,134.88/x
  3. Step 3: Cross multiply
    18,589,664.16x = 27,895,410.16 × 7,806,134.88
  4. Step 4: Simplify right side
    18,589,664.16x = 217,755,334,241,882.38
  5. Step 5: Solve for x
    x = 217,755,334,241,882.38/18,589,664.16
  6. Step 6: Final answer
    x = 11,713,785.27

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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.