Home / 18,381,407.76-27,570,008.88-4,919,285.52

Finding the Fourth Proportional to 18,381,407.76, 27,570,008.88 and 4,919,285.52

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Solution

The fourth proportional to 18,381,407.76, 27,570,008.88 and 4,919,285.52 is: 7,378,365.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,381,407.76 : 27,570,008.88 = 4,919,285.52 : x
  2. Step 2: Convert to fraction form
    18,381,407.76/27,570,008.88 = 4,919,285.52/x
  3. Step 3: Cross multiply
    18,381,407.76x = 27,570,008.88 × 4,919,285.52
  4. Step 4: Simplify right side
    18,381,407.76x = 135,624,745,469,655.41
  5. Step 5: Solve for x
    x = 135,624,745,469,655.41/18,381,407.76
  6. Step 6: Final answer
    x = 7,378,365.53

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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.