Home / 11,221,215.30-16,789,832.55-7,442,079.30

Finding the Fourth Proportional to 11,221,215.30, 16,789,832.55 and 7,442,079.30

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Solution

The fourth proportional to 11,221,215.30, 16,789,832.55 and 7,442,079.30 is: 11,135,270.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221,215.30 : 16,789,832.55 = 7,442,079.30 : x
  2. Step 2: Convert to fraction form
    11,221,215.30/16,789,832.55 = 7,442,079.30/x
  3. Step 3: Cross multiply
    11,221,215.30x = 16,789,832.55 × 7,442,079.30
  4. Step 4: Simplify right side
    11,221,215.30x = 124,951,265,270,821.22
  5. Step 5: Solve for x
    x = 124,951,265,270,821.22/11,221,215.30
  6. Step 6: Final answer
    x = 11,135,270.28

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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.