Home / 7,984,920.60-11,982,301.65-3,192,110.10

Finding the Fourth Proportional to 7,984,920.60, 11,982,301.65 and 3,192,110.10

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Solution

The fourth proportional to 7,984,920.60, 11,982,301.65 and 3,192,110.10 is: 4,790,132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984,920.60 : 11,982,301.65 = 3,192,110.10 : x
  2. Step 2: Convert to fraction form
    7,984,920.60/11,982,301.65 = 3,192,110.10/x
  3. Step 3: Cross multiply
    7,984,920.60x = 11,982,301.65 × 3,192,110.10
  4. Step 4: Simplify right side
    7,984,920.60x = 38,248,826,118,211.66
  5. Step 5: Solve for x
    x = 38,248,826,118,211.66/7,984,920.60
  6. Step 6: Final answer
    x = 4,790,132.30

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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.