Home / 13,498,392.96-20,250,563.76-3,914,171.64

Finding the Fourth Proportional to 13,498,392.96, 20,250,563.76 and 3,914,171.64

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Solution

The fourth proportional to 13,498,392.96, 20,250,563.76 and 3,914,171.64 is: 5,872,119.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,498,392.96 : 20,250,563.76 = 3,914,171.64 : x
  2. Step 2: Convert to fraction form
    13,498,392.96/20,250,563.76 = 3,914,171.64/x
  3. Step 3: Cross multiply
    13,498,392.96x = 20,250,563.76 × 3,914,171.64
  4. Step 4: Simplify right side
    13,498,392.96x = 79,264,182,363,403.78
  5. Step 5: Solve for x
    x = 79,264,182,363,403.78/13,498,392.96
  6. Step 6: Final answer
    x = 5,872,119.93

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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.