Home / 8,215,036.05-11,332,978.07-5,315,372.13

Finding the Fourth Proportional to 8,215,036.05, 11,332,978.07 and 5,315,372.13

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Solution

The fourth proportional to 8,215,036.05, 11,332,978.07 and 5,315,372.13 is: 7,332,773.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215,036.05 : 11,332,978.07 = 5,315,372.13 : x
  2. Step 2: Convert to fraction form
    8,215,036.05/11,332,978.07 = 5,315,372.13/x
  3. Step 3: Cross multiply
    8,215,036.05x = 11,332,978.07 × 5,315,372.13
  4. Step 4: Simplify right side
    8,215,036.05x = 60,238,995,756,602.33
  5. Step 5: Solve for x
    x = 60,238,995,756,602.33/8,215,036.05
  6. Step 6: Final answer
    x = 7,332,773.15

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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.