Home / 10,248,816.40-14,143,117.80-5,665,019.92

Finding the Fourth Proportional to 10,248,816.40, 14,143,117.80 and 5,665,019.92

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Solution

The fourth proportional to 10,248,816.40, 14,143,117.80 and 5,665,019.92 is: 7,817,589.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,248,816.40 : 14,143,117.80 = 5,665,019.92 : x
  2. Step 2: Convert to fraction form
    10,248,816.40/14,143,117.80 = 5,665,019.92/x
  3. Step 3: Cross multiply
    10,248,816.40x = 14,143,117.80 × 5,665,019.92
  4. Step 4: Simplify right side
    10,248,816.40x = 80,121,044,067,906.58
  5. Step 5: Solve for x
    x = 80,121,044,067,906.58/10,248,816.40
  6. Step 6: Final answer
    x = 7,817,589.95

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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.