Home / 42,418,324.85-63,539,207.80-26,989,185.65

Finding the Fourth Proportional to 42,418,324.85, 63,539,207.80 and 26,989,185.65

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Solution

The fourth proportional to 42,418,324.85, 63,539,207.80 and 26,989,185.65 is: 40,427,609.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,418,324.85 : 63,539,207.80 = 26,989,185.65 : x
  2. Step 2: Convert to fraction form
    42,418,324.85/63,539,207.80 = 26,989,185.65/x
  3. Step 3: Cross multiply
    42,418,324.85x = 63,539,207.80 × 26,989,185.65
  4. Step 4: Simplify right side
    42,418,324.85x = 1,714,871,474,982,959
  5. Step 5: Solve for x
    x = 1,714,871,474,982,959/42,418,324.85
  6. Step 6: Final answer
    x = 40,427,609.56

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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.