Home / 10,137,752.20-15,206,628.30-9,465,905.80

Finding the Fourth Proportional to 10,137,752.20, 15,206,628.30 and 9,465,905.80

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Solution

The fourth proportional to 10,137,752.20, 15,206,628.30 and 9,465,905.80 is: 14,198,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137,752.20 : 15,206,628.30 = 9,465,905.80 : x
  2. Step 2: Convert to fraction form
    10,137,752.20/15,206,628.30 = 9,465,905.80/x
  3. Step 3: Cross multiply
    10,137,752.20x = 15,206,628.30 × 9,465,905.80
  4. Step 4: Simplify right side
    10,137,752.20x = 143,944,511,023,414.16
  5. Step 5: Solve for x
    x = 143,944,511,023,414.16/10,137,752.20
  6. Step 6: Final answer
    x = 14,198,858.70

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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.