Home / 13,621,713.84-20,431,979.82-3,386,359.44

Finding the Fourth Proportional to 13,621,713.84, 20,431,979.82 and 3,386,359.44

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Solution

The fourth proportional to 13,621,713.84, 20,431,979.82 and 3,386,359.44 is: 5,079,392.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,621,713.84 : 20,431,979.82 = 3,386,359.44 : x
  2. Step 2: Convert to fraction form
    13,621,713.84/20,431,979.82 = 3,386,359.44/x
  3. Step 3: Cross multiply
    13,621,713.84x = 20,431,979.82 × 3,386,359.44
  4. Step 4: Simplify right side
    13,621,713.84x = 69,190,027,741,346.50
  5. Step 5: Solve for x
    x = 69,190,027,741,346.50/13,621,713.84
  6. Step 6: Final answer
    x = 5,079,392.25

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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.