Home / 13,306,520.20-19,960,436.40-6,929,228.20

Finding the Fourth Proportional to 13,306,520.20, 19,960,436.40 and 6,929,228.20

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Solution

The fourth proportional to 13,306,520.20, 19,960,436.40 and 6,929,228.20 is: 10,394,183.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,520.20 : 19,960,436.40 = 6,929,228.20 : x
  2. Step 2: Convert to fraction form
    13,306,520.20/19,960,436.40 = 6,929,228.20/x
  3. Step 3: Cross multiply
    13,306,520.20x = 19,960,436.40 × 6,929,228.20
  4. Step 4: Simplify right side
    13,306,520.20x = 138,310,418,787,186.47
  5. Step 5: Solve for x
    x = 138,310,418,787,186.47/13,306,520.20
  6. Step 6: Final answer
    x = 10,394,183.96

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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.