Home / 26,321,979.70-39,482,969.55-19,944,687.70

Finding the Fourth Proportional to 26,321,979.70, 39,482,969.55 and 19,944,687.70

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Solution

The fourth proportional to 26,321,979.70, 39,482,969.55 and 19,944,687.70 is: 29,917,031.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,321,979.70 : 39,482,969.55 = 19,944,687.70 : x
  2. Step 2: Convert to fraction form
    26,321,979.70/39,482,969.55 = 19,944,687.70/x
  3. Step 3: Cross multiply
    26,321,979.70x = 39,482,969.55 × 19,944,687.70
  4. Step 4: Simplify right side
    26,321,979.70x = 787,475,497,143,359.50
  5. Step 5: Solve for x
    x = 787,475,497,143,359.50/26,321,979.70
  6. Step 6: Final answer
    x = 29,917,031.55

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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.