Home / 7,247,999.20-10,002,245.28-3,984,869.44

Finding the Fourth Proportional to 7,247,999.20, 10,002,245.28 and 3,984,869.44

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Solution

The fourth proportional to 7,247,999.20, 10,002,245.28 and 3,984,869.44 is: 5,499,123.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247,999.20 : 10,002,245.28 = 3,984,869.44 : x
  2. Step 2: Convert to fraction form
    7,247,999.20/10,002,245.28 = 3,984,869.44/x
  3. Step 3: Cross multiply
    7,247,999.20x = 10,002,245.28 × 3,984,869.44
  4. Step 4: Simplify right side
    7,247,999.20x = 39,857,641,547,656.24
  5. Step 5: Solve for x
    x = 39,857,641,547,656.24/7,247,999.20
  6. Step 6: Final answer
    x = 5,499,123.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.