Home / 20,381,377.32-30,591,220.16-10,672,958.65

Finding the Fourth Proportional to 20,381,377.32, 30,591,220.16 and 10,672,958.65

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Solution

The fourth proportional to 20,381,377.32, 30,591,220.16 and 10,672,958.65 is: 16,019,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,381,377.32 : 30,591,220.16 = 10,672,958.65 : x
  2. Step 2: Convert to fraction form
    20,381,377.32/30,591,220.16 = 10,672,958.65/x
  3. Step 3: Cross multiply
    20,381,377.32x = 30,591,220.16 × 10,672,958.65
  4. Step 4: Simplify right side
    20,381,377.32x = 326,498,827,820,726.38
  5. Step 5: Solve for x
    x = 326,498,827,820,726.38/20,381,377.32
  6. Step 6: Final answer
    x = 16,019,468.30

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1.5x scale

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.