Home / 13,518,943.75-20,280,958.01-5,432,560.46

Finding the Fourth Proportional to 13,518,943.75, 20,280,958.01 and 5,432,560.46

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Solution

The fourth proportional to 13,518,943.75, 20,280,958.01 and 5,432,560.46 is: 8,149,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518,943.75 : 20,280,958.01 = 5,432,560.46 : x
  2. Step 2: Convert to fraction form
    13,518,943.75/20,280,958.01 = 5,432,560.46/x
  3. Step 3: Cross multiply
    13,518,943.75x = 20,280,958.01 × 5,432,560.46
  4. Step 4: Simplify right side
    13,518,943.75x = 110,177,530,576,046.30
  5. Step 5: Solve for x
    x = 110,177,530,576,046.30/13,518,943.75
  6. Step 6: Final answer
    x = 8,149,862.34

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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.