Home / 13,674,385.52-18,876,462.40-8,520,293.60

Finding the Fourth Proportional to 13,674,385.52, 18,876,462.40 and 8,520,293.60

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Solution

The fourth proportional to 13,674,385.52, 18,876,462.40 and 8,520,293.60 is: 11,761,625.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674,385.52 : 18,876,462.40 = 8,520,293.60 : x
  2. Step 2: Convert to fraction form
    13,674,385.52/18,876,462.40 = 8,520,293.60/x
  3. Step 3: Cross multiply
    13,674,385.52x = 18,876,462.40 × 8,520,293.60
  4. Step 4: Simplify right side
    13,674,385.52x = 160,833,001,777,360.62
  5. Step 5: Solve for x
    x = 160,833,001,777,360.62/13,674,385.52
  6. Step 6: Final answer
    x = 11,761,625.53

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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.