Home / 26,959,589.80-40,439,384.70-7,790,972.20

Finding the Fourth Proportional to 26,959,589.80, 40,439,384.70 and 7,790,972.20

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Solution

The fourth proportional to 26,959,589.80, 40,439,384.70 and 7,790,972.20 is: 11,686,458.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,959,589.80 : 40,439,384.70 = 7,790,972.20 : x
  2. Step 2: Convert to fraction form
    26,959,589.80/40,439,384.70 = 7,790,972.20/x
  3. Step 3: Cross multiply
    26,959,589.80x = 40,439,384.70 × 7,790,972.20
  4. Step 4: Simplify right side
    26,959,589.80x = 315,062,121,982,805.38
  5. Step 5: Solve for x
    x = 315,062,121,982,805.38/26,959,589.80
  6. Step 6: Final answer
    x = 11,686,458.30

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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.