Home / 12,401,715.56-18,601,370.52-3,765,890.78

Finding the Fourth Proportional to 12,401,715.56, 18,601,370.52 and 3,765,890.78

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Solution

The fourth proportional to 12,401,715.56, 18,601,370.52 and 3,765,890.78 is: 5,648,470.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,401,715.56 : 18,601,370.52 = 3,765,890.78 : x
  2. Step 2: Convert to fraction form
    12,401,715.56/18,601,370.52 = 3,765,890.78/x
  3. Step 3: Cross multiply
    12,401,715.56x = 18,601,370.52 × 3,765,890.78
  4. Step 4: Simplify right side
    12,401,715.56x = 70,050,729,736,631.80
  5. Step 5: Solve for x
    x = 70,050,729,736,631.80/12,401,715.56
  6. Step 6: Final answer
    x = 5,648,470.92

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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.