Home / 13,540,488.52-20,315,788.86-5,455,757.80

Finding the Fourth Proportional to 13,540,488.52, 20,315,788.86 and 5,455,757.80

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Solution

The fourth proportional to 13,540,488.52, 20,315,788.86 and 5,455,757.80 is: 8,185,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,540,488.52 : 20,315,788.86 = 5,455,757.80 : x
  2. Step 2: Convert to fraction form
    13,540,488.52/20,315,788.86 = 5,455,757.80/x
  3. Step 3: Cross multiply
    13,540,488.52x = 20,315,788.86 × 5,455,757.80
  4. Step 4: Simplify right side
    13,540,488.52x = 110,838,023,536,098.09
  5. Step 5: Solve for x
    x = 110,838,023,536,098.09/13,540,488.52
  6. Step 6: Final answer
    x = 8,185,673.90

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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.