Home / 7,887,908.70-11,828,363.85-3,629,382.30

Finding the Fourth Proportional to 7,887,908.70, 11,828,363.85 and 3,629,382.30

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Solution

The fourth proportional to 7,887,908.70, 11,828,363.85 and 3,629,382.30 is: 5,442,463.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887,908.70 : 11,828,363.85 = 3,629,382.30 : x
  2. Step 2: Convert to fraction form
    7,887,908.70/11,828,363.85 = 3,629,382.30/x
  3. Step 3: Cross multiply
    7,887,908.70x = 11,828,363.85 × 3,629,382.30
  4. Step 4: Simplify right side
    7,887,908.70x = 42,929,654,395,149.85
  5. Step 5: Solve for x
    x = 42,929,654,395,149.85/7,887,908.70
  6. Step 6: Final answer
    x = 5,442,463.40

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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.