Home / 40,287,728.41-60,431,517.09-12,623,763.84

Finding the Fourth Proportional to 40,287,728.41, 60,431,517.09 and 12,623,763.84

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Solution

The fourth proportional to 40,287,728.41, 60,431,517.09 and 12,623,763.84 is: 18,935,622.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,287,728.41 : 60,431,517.09 = 12,623,763.84 : x
  2. Step 2: Convert to fraction form
    40,287,728.41/60,431,517.09 = 12,623,763.84/x
  3. Step 3: Cross multiply
    40,287,728.41x = 60,431,517.09 × 12,623,763.84
  4. Step 4: Simplify right side
    40,287,728.41x = 762,873,200,237,084
  5. Step 5: Solve for x
    x = 762,873,200,237,084/40,287,728.41
  6. Step 6: Final answer
    x = 18,935,622.09

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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.