Home / 9,341,945.74-12,891,977.85-5,211,942.04

Finding the Fourth Proportional to 9,341,945.74, 12,891,977.85 and 5,211,942.04

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Solution

The fourth proportional to 9,341,945.74, 12,891,977.85 and 5,211,942.04 is: 7,192,531.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,341,945.74 : 12,891,977.85 = 5,211,942.04 : x
  2. Step 2: Convert to fraction form
    9,341,945.74/12,891,977.85 = 5,211,942.04/x
  3. Step 3: Cross multiply
    9,341,945.74x = 12,891,977.85 × 5,211,942.04
  4. Step 4: Simplify right side
    9,341,945.74x = 67,192,241,335,163.81
  5. Step 5: Solve for x
    x = 67,192,241,335,163.81/9,341,945.74
  6. Step 6: Final answer
    x = 7,192,531.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.