Home / 16,686,502.80-25,029,754.20-15,517,332.60

Finding the Fourth Proportional to 16,686,502.80, 25,029,754.20 and 15,517,332.60

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Solution

The fourth proportional to 16,686,502.80, 25,029,754.20 and 15,517,332.60 is: 23,275,998.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,686,502.80 : 25,029,754.20 = 15,517,332.60 : x
  2. Step 2: Convert to fraction form
    16,686,502.80/25,029,754.20 = 15,517,332.60/x
  3. Step 3: Cross multiply
    16,686,502.80x = 25,029,754.20 × 15,517,332.60
  4. Step 4: Simplify right side
    16,686,502.80x = 388,395,020,817,646.88
  5. Step 5: Solve for x
    x = 388,395,020,817,646.88/16,686,502.80
  6. Step 6: Final answer
    x = 23,275,998.90

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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.