Home / 15,517,447.48-21,414,741.90-8,641,929.52

Finding the Fourth Proportional to 15,517,447.48, 21,414,741.90 and 8,641,929.52

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Solution

The fourth proportional to 15,517,447.48, 21,414,741.90 and 8,641,929.52 is: 11,926,232.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517,447.48 : 21,414,741.90 = 8,641,929.52 : x
  2. Step 2: Convert to fraction form
    15,517,447.48/21,414,741.90 = 8,641,929.52/x
  3. Step 3: Cross multiply
    15,517,447.48x = 21,414,741.90 × 8,641,929.52
  4. Step 4: Simplify right side
    15,517,447.48x = 185,064,690,188,790.88
  5. Step 5: Solve for x
    x = 185,064,690,188,790.88/15,517,447.48
  6. Step 6: Final answer
    x = 11,926,232.74

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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.