Home / 10,367,974.20-15,551,961.30-7,344,665.40

Finding the Fourth Proportional to 10,367,974.20, 15,551,961.30 and 7,344,665.40

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Solution

The fourth proportional to 10,367,974.20, 15,551,961.30 and 7,344,665.40 is: 11,016,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367,974.20 : 15,551,961.30 = 7,344,665.40 : x
  2. Step 2: Convert to fraction form
    10,367,974.20/15,551,961.30 = 7,344,665.40/x
  3. Step 3: Cross multiply
    10,367,974.20x = 15,551,961.30 × 7,344,665.40
  4. Step 4: Simplify right side
    10,367,974.20x = 114,223,952,062,249.03
  5. Step 5: Solve for x
    x = 114,223,952,062,249.03/10,367,974.20
  6. Step 6: Final answer
    x = 11,016,998.10

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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.