Home / 11,279,381.81-16,919,730.63-3,191,680.85

Finding the Fourth Proportional to 11,279,381.81, 16,919,730.63 and 3,191,680.85

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Solution

The fourth proportional to 11,279,381.81, 16,919,730.63 and 3,191,680.85 is: 4,787,707.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279,381.81 : 16,919,730.63 = 3,191,680.85 : x
  2. Step 2: Convert to fraction form
    11,279,381.81/16,919,730.63 = 3,191,680.85/x
  3. Step 3: Cross multiply
    11,279,381.81x = 16,919,730.63 × 3,191,680.85
  4. Step 4: Simplify right side
    11,279,381.81x = 54,002,380,154,330.78
  5. Step 5: Solve for x
    x = 54,002,380,154,330.78/11,279,381.81
  6. Step 6: Final answer
    x = 4,787,707.44

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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.