Home / 28,420,224.68-42,612,008.27-11,150,170.96

Finding the Fourth Proportional to 28,420,224.68, 42,612,008.27 and 11,150,170.96

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Solution

The fourth proportional to 28,420,224.68, 42,612,008.27 and 11,150,170.96 is: 16,718,065.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,420,224.68 : 42,612,008.27 = 11,150,170.96 : x
  2. Step 2: Convert to fraction form
    28,420,224.68/42,612,008.27 = 11,150,170.96/x
  3. Step 3: Cross multiply
    28,420,224.68x = 42,612,008.27 × 11,150,170.96
  4. Step 4: Simplify right side
    28,420,224.68x = 475,131,176,976,805.19
  5. Step 5: Solve for x
    x = 475,131,176,976,805.19/28,420,224.68
  6. Step 6: Final answer
    x = 16,718,065.48

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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.