Home / 7,381,119.30-11,073,428.55-3,787,440.90

Finding the Fourth Proportional to 7,381,119.30, 11,073,428.55 and 3,787,440.90

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Solution

The fourth proportional to 7,381,119.30, 11,073,428.55 and 3,787,440.90 is: 5,682,059.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,119.30 : 11,073,428.55 = 3,787,440.90 : x
  2. Step 2: Convert to fraction form
    7,381,119.30/11,073,428.55 = 3,787,440.90/x
  3. Step 3: Cross multiply
    7,381,119.30x = 11,073,428.55 × 3,787,440.90
  4. Step 4: Simplify right side
    7,381,119.30x = 41,939,956,193,497.70
  5. Step 5: Solve for x
    x = 41,939,956,193,497.70/7,381,119.30
  6. Step 6: Final answer
    x = 5,682,059.11

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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.