Home / 15,057,734.31-20,779,787.66-8,182,253.43

Finding the Fourth Proportional to 15,057,734.31, 20,779,787.66 and 8,182,253.43

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Solution

The fourth proportional to 15,057,734.31, 20,779,787.66 and 8,182,253.43 is: 11,291,571.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057,734.31 : 20,779,787.66 = 8,182,253.43 : x
  2. Step 2: Convert to fraction form
    15,057,734.31/20,779,787.66 = 8,182,253.43/x
  3. Step 3: Cross multiply
    15,057,734.31x = 20,779,787.66 × 8,182,253.43
  4. Step 4: Simplify right side
    15,057,734.31x = 170,025,488,814,795.41
  5. Step 5: Solve for x
    x = 170,025,488,814,795.41/15,057,734.31
  6. Step 6: Final answer
    x = 11,291,571.85

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1.5x scale

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.