Home / 15,057,160.15-20,779,012.48-8,181,642.22

Finding the Fourth Proportional to 15,057,160.15, 20,779,012.48 and 8,181,642.22

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Solution

The fourth proportional to 15,057,160.15, 20,779,012.48 and 8,181,642.22 is: 11,290,737.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057,160.15 : 20,779,012.48 = 8,181,642.22 : x
  2. Step 2: Convert to fraction form
    15,057,160.15/20,779,012.48 = 8,181,642.22/x
  3. Step 3: Cross multiply
    15,057,160.15x = 20,779,012.48 × 8,181,642.22
  4. Step 4: Simplify right side
    15,057,160.15x = 170,006,445,796,274.91
  5. Step 5: Solve for x
    x = 170,006,445,796,274.91/15,057,160.15
  6. Step 6: Final answer
    x = 11,290,737.70

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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.