Home / 20,160,679.70-30,241,019.55-7,381,601.30

Finding the Fourth Proportional to 20,160,679.70, 30,241,019.55 and 7,381,601.30

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Solution

The fourth proportional to 20,160,679.70, 30,241,019.55 and 7,381,601.30 is: 11,072,401.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,679.70 : 30,241,019.55 = 7,381,601.30 : x
  2. Step 2: Convert to fraction form
    20,160,679.70/30,241,019.55 = 7,381,601.30/x
  3. Step 3: Cross multiply
    20,160,679.70x = 30,241,019.55 × 7,381,601.30
  4. Step 4: Simplify right side
    20,160,679.70x = 223,227,149,223,605.41
  5. Step 5: Solve for x
    x = 223,227,149,223,605.41/20,160,679.70
  6. Step 6: Final answer
    x = 11,072,401.95

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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.