Home / 20,527,851.41-28,325,387.77-12,467,770.44

Finding the Fourth Proportional to 20,527,851.41, 28,325,387.77 and 12,467,770.44

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Solution

The fourth proportional to 20,527,851.41, 28,325,387.77 and 12,467,770.44 is: 17,203,672.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527,851.41 : 28,325,387.77 = 12,467,770.44 : x
  2. Step 2: Convert to fraction form
    20,527,851.41/28,325,387.77 = 12,467,770.44/x
  3. Step 3: Cross multiply
    20,527,851.41x = 28,325,387.77 × 12,467,770.44
  4. Step 4: Simplify right side
    20,527,851.41x = 353,154,432,136,377.75
  5. Step 5: Solve for x
    x = 353,154,432,136,377.75/20,527,851.41
  6. Step 6: Final answer
    x = 17,203,672.47

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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.