Home / 15,517,399.84-21,414,676.05-8,641,881.90

Finding the Fourth Proportional to 15,517,399.84, 21,414,676.05 and 8,641,881.90

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Solution

The fourth proportional to 15,517,399.84, 21,414,676.05 and 8,641,881.90 is: 11,926,166.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517,399.84 : 21,414,676.05 = 8,641,881.90 : x
  2. Step 2: Convert to fraction form
    15,517,399.84/21,414,676.05 = 8,641,881.90/x
  3. Step 3: Cross multiply
    15,517,399.84x = 21,414,676.05 × 8,641,881.90
  4. Step 4: Simplify right side
    15,517,399.84x = 185,063,101,350,858.50
  5. Step 5: Solve for x
    x = 185,063,101,350,858.50/15,517,399.84
  6. Step 6: Final answer
    x = 11,926,166.97

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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.