Home / 13,540,479.52-20,315,775.32-5,455,748.76

Finding the Fourth Proportional to 13,540,479.52, 20,315,775.32 and 5,455,748.76

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Solution

The fourth proportional to 13,540,479.52, 20,315,775.32 and 5,455,748.76 is: 8,185,660.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,540,479.52 : 20,315,775.32 = 5,455,748.76 : x
  2. Step 2: Convert to fraction form
    13,540,479.52/20,315,775.32 = 5,455,748.76/x
  3. Step 3: Cross multiply
    13,540,479.52x = 20,315,775.32 × 5,455,748.76
  4. Step 4: Simplify right side
    13,540,479.52x = 110,837,766,010,528.59
  5. Step 5: Solve for x
    x = 110,837,766,010,528.59/13,540,479.52
  6. Step 6: Final answer
    x = 8,185,660.33

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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.