Home / 10,490,999.88-15,737,385.12-2,917,965.60

Finding the Fourth Proportional to 10,490,999.88, 15,737,385.12 and 2,917,965.60

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Solution

The fourth proportional to 10,490,999.88, 15,737,385.12 and 2,917,965.60 is: 4,377,194.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490,999.88 : 15,737,385.12 = 2,917,965.60 : x
  2. Step 2: Convert to fraction form
    10,490,999.88/15,737,385.12 = 2,917,965.60/x
  3. Step 3: Cross multiply
    10,490,999.88x = 15,737,385.12 × 2,917,965.60
  4. Step 4: Simplify right side
    10,490,999.88x = 45,921,148,414,111.87
  5. Step 5: Solve for x
    x = 45,921,148,414,111.87/10,490,999.88
  6. Step 6: Final answer
    x = 4,377,194.64

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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.