Home / 15,111,104.72-20,854,064.39-8,497,774.53

Finding the Fourth Proportional to 15,111,104.72, 20,854,064.39 and 8,497,774.53

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Solution

The fourth proportional to 15,111,104.72, 20,854,064.39 and 8,497,774.53 is: 11,727,344.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,111,104.72 : 20,854,064.39 = 8,497,774.53 : x
  2. Step 2: Convert to fraction form
    15,111,104.72/20,854,064.39 = 8,497,774.53/x
  3. Step 3: Cross multiply
    15,111,104.72x = 20,854,064.39 × 8,497,774.53
  4. Step 4: Simplify right side
    15,111,104.72x = 177,213,137,177,833.12
  5. Step 5: Solve for x
    x = 177,213,137,177,833.12/15,111,104.72
  6. Step 6: Final answer
    x = 11,727,344.92

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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.