Home / 10,361,241.90-15,541,862.85-7,841,817.90

Finding the Fourth Proportional to 10,361,241.90, 15,541,862.85 and 7,841,817.90

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Solution

The fourth proportional to 10,361,241.90, 15,541,862.85 and 7,841,817.90 is: 11,762,726.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361,241.90 : 15,541,862.85 = 7,841,817.90 : x
  2. Step 2: Convert to fraction form
    10,361,241.90/15,541,862.85 = 7,841,817.90/x
  3. Step 3: Cross multiply
    10,361,241.90x = 15,541,862.85 × 7,841,817.90
  4. Step 4: Simplify right side
    10,361,241.90x = 121,876,458,296,475.02
  5. Step 5: Solve for x
    x = 121,876,458,296,475.02/10,361,241.90
  6. Step 6: Final answer
    x = 11,762,726.85

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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.