Home / 8,146,687.13-11,228,923.91-7,931,049.13

Finding the Fourth Proportional to 8,146,687.13, 11,228,923.91 and 7,931,049.13

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Solution

The fourth proportional to 8,146,687.13, 11,228,923.91 and 7,931,049.13 is: 10,931,700.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146,687.13 : 11,228,923.91 = 7,931,049.13 : x
  2. Step 2: Convert to fraction form
    8,146,687.13/11,228,923.91 = 7,931,049.13/x
  3. Step 3: Cross multiply
    8,146,687.13x = 11,228,923.91 × 7,931,049.13
  4. Step 4: Simplify right side
    8,146,687.13x = 89,057,147,111,441.83
  5. Step 5: Solve for x
    x = 89,057,147,111,441.83/8,146,687.13
  6. Step 6: Final answer
    x = 10,931,700.92

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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.