Home / 15,284,575.31-21,092,713.22-8,408,909.75

Finding the Fourth Proportional to 15,284,575.31, 21,092,713.22 and 8,408,909.75

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Solution

The fourth proportional to 15,284,575.31, 21,092,713.22 and 8,408,909.75 is: 11,604,295.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284,575.31 : 21,092,713.22 = 8,408,909.75 : x
  2. Step 2: Convert to fraction form
    15,284,575.31/21,092,713.22 = 8,408,909.75/x
  3. Step 3: Cross multiply
    15,284,575.31x = 21,092,713.22 × 8,408,909.75
  4. Step 4: Simplify right side
    15,284,575.31x = 177,366,721,849,611.88
  5. Step 5: Solve for x
    x = 177,366,721,849,611.88/15,284,575.31
  6. Step 6: Final answer
    x = 11,604,295.07

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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.