Home / 28,654,380.80-42,981,571.20-14,305,473.80

Finding the Fourth Proportional to 28,654,380.80, 42,981,571.20 and 14,305,473.80

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Solution

The fourth proportional to 28,654,380.80, 42,981,571.20 and 14,305,473.80 is: 21,458,210.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,654,380.80 : 42,981,571.20 = 14,305,473.80 : x
  2. Step 2: Convert to fraction form
    28,654,380.80/42,981,571.20 = 14,305,473.80/x
  3. Step 3: Cross multiply
    28,654,380.80x = 42,981,571.20 × 14,305,473.80
  4. Step 4: Simplify right side
    28,654,380.80x = 614,871,740,684,434.62
  5. Step 5: Solve for x
    x = 614,871,740,684,434.62/28,654,380.80
  6. Step 6: Final answer
    x = 21,458,210.70

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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.