Home / 7,381,105.80-11,073,408.30-3,787,427.40

Finding the Fourth Proportional to 7,381,105.80, 11,073,408.30 and 3,787,427.40

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Solution

The fourth proportional to 7,381,105.80, 11,073,408.30 and 3,787,427.40 is: 5,682,038.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,105.80 : 11,073,408.30 = 3,787,427.40 : x
  2. Step 2: Convert to fraction form
    7,381,105.80/11,073,408.30 = 3,787,427.40/x
  3. Step 3: Cross multiply
    7,381,105.80x = 11,073,408.30 × 3,787,427.40
  4. Step 4: Simplify right side
    7,381,105.80x = 41,939,730,006,807.42
  5. Step 5: Solve for x
    x = 41,939,730,006,807.42/7,381,105.80
  6. Step 6: Final answer
    x = 5,682,038.86

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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.