Home / 20,864,723.66-28,760,060.88-16,447,250.21

Finding the Fourth Proportional to 20,864,723.66, 28,760,060.88 and 16,447,250.21

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Solution

The fourth proportional to 20,864,723.66, 28,760,060.88 and 16,447,250.21 is: 22,670,988.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,864,723.66 : 28,760,060.88 = 16,447,250.21 : x
  2. Step 2: Convert to fraction form
    20,864,723.66/28,760,060.88 = 16,447,250.21/x
  3. Step 3: Cross multiply
    20,864,723.66x = 28,760,060.88 × 16,447,250.21
  4. Step 4: Simplify right side
    20,864,723.66x = 473,023,917,204,392.44
  5. Step 5: Solve for x
    x = 473,023,917,204,392.44/20,864,723.66
  6. Step 6: Final answer
    x = 22,670,988.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.