Home / 28,981,279.80-43,471,919.70-17,643,871.80

Finding the Fourth Proportional to 28,981,279.80, 43,471,919.70 and 17,643,871.80

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Solution

The fourth proportional to 28,981,279.80, 43,471,919.70 and 17,643,871.80 is: 26,465,807.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,981,279.80 : 43,471,919.70 = 17,643,871.80 : x
  2. Step 2: Convert to fraction form
    28,981,279.80/43,471,919.70 = 17,643,871.80/x
  3. Step 3: Cross multiply
    28,981,279.80x = 43,471,919.70 × 17,643,871.80
  4. Step 4: Simplify right side
    28,981,279.80x = 767,012,978,086,694.50
  5. Step 5: Solve for x
    x = 767,012,978,086,694.50/28,981,279.80
  6. Step 6: Final answer
    x = 26,465,807.70

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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.