Home / 12,659,614.61-18,989,422.14-3,074,928.54

Finding the Fourth Proportional to 12,659,614.61, 18,989,422.14 and 3,074,928.54

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Solution

The fourth proportional to 12,659,614.61, 18,989,422.14 and 3,074,928.54 is: 4,612,392.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659,614.61 : 18,989,422.14 = 3,074,928.54 : x
  2. Step 2: Convert to fraction form
    12,659,614.61/18,989,422.14 = 3,074,928.54/x
  3. Step 3: Cross multiply
    12,659,614.61x = 18,989,422.14 × 3,074,928.54
  4. Step 4: Simplify right side
    12,659,614.61x = 58,391,116,096,393.88
  5. Step 5: Solve for x
    x = 58,391,116,096,393.88/12,659,614.61
  6. Step 6: Final answer
    x = 4,612,392.87

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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.