Home / 40,287,729.41-60,431,518.59-12,623,764.84

Finding the Fourth Proportional to 40,287,729.41, 60,431,518.59 and 12,623,764.84

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Solution

The fourth proportional to 40,287,729.41, 60,431,518.59 and 12,623,764.84 is: 18,935,623.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,287,729.41 : 60,431,518.59 = 12,623,764.84 : x
  2. Step 2: Convert to fraction form
    40,287,729.41/60,431,518.59 = 12,623,764.84/x
  3. Step 3: Cross multiply
    40,287,729.41x = 60,431,518.59 × 12,623,764.84
  4. Step 4: Simplify right side
    40,287,729.41x = 762,873,279,604,248.38
  5. Step 5: Solve for x
    x = 762,873,279,604,248.38/40,287,729.41
  6. Step 6: Final answer
    x = 18,935,623.59

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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.