Home / 7,469,867.80-11,191,899.30-3,472,581.40

Finding the Fourth Proportional to 7,469,867.80, 11,191,899.30 and 3,472,581.40

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Solution

The fourth proportional to 7,469,867.80, 11,191,899.30 and 3,472,581.40 is: 5,202,874.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469,867.80 : 11,191,899.30 = 3,472,581.40 : x
  2. Step 2: Convert to fraction form
    7,469,867.80/11,191,899.30 = 3,472,581.40/x
  3. Step 3: Cross multiply
    7,469,867.80x = 11,191,899.30 × 3,472,581.40
  4. Step 4: Simplify right side
    7,469,867.80x = 38,864,781,339,853.02
  5. Step 5: Solve for x
    x = 38,864,781,339,853.02/7,469,867.80
  6. Step 6: Final answer
    x = 5,202,874.05

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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.