Home / 7,899,368.22-11,851,321.86-3,287,456.64

Finding the Fourth Proportional to 7,899,368.22, 11,851,321.86 and 3,287,456.64

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Solution

The fourth proportional to 7,899,368.22, 11,851,321.86 and 3,287,456.64 is: 4,932,129.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899,368.22 : 11,851,321.86 = 3,287,456.64 : x
  2. Step 2: Convert to fraction form
    7,899,368.22/11,851,321.86 = 3,287,456.64/x
  3. Step 3: Cross multiply
    7,899,368.22x = 11,851,321.86 × 3,287,456.64
  4. Step 4: Simplify right side
    7,899,368.22x = 38,960,706,741,434.15
  5. Step 5: Solve for x
    x = 38,960,706,741,434.15/7,899,368.22
  6. Step 6: Final answer
    x = 4,932,129.46

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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.