Home / 26,872,947.32-37,072,961.70-17,078,142.20

Finding the Fourth Proportional to 26,872,947.32, 37,072,961.70 and 17,078,142.20

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Solution

The fourth proportional to 26,872,947.32, 37,072,961.70 and 17,078,142.20 is: 23,560,397.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,872,947.32 : 37,072,961.70 = 17,078,142.20 : x
  2. Step 2: Convert to fraction form
    26,872,947.32/37,072,961.70 = 17,078,142.20/x
  3. Step 3: Cross multiply
    26,872,947.32x = 37,072,961.70 × 17,078,142.20
  4. Step 4: Simplify right side
    26,872,947.32x = 633,137,311,687,753.75
  5. Step 5: Solve for x
    x = 633,137,311,687,753.75/26,872,947.32
  6. Step 6: Final answer
    x = 23,560,397.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.