Home / 7,281,211.20-10,921,816.80-4,446,859.20

Finding the Fourth Proportional to 7,281,211.20, 10,921,816.80 and 4,446,859.20

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Solution

The fourth proportional to 7,281,211.20, 10,921,816.80 and 4,446,859.20 is: 6,670,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281,211.20 : 10,921,816.80 = 4,446,859.20 : x
  2. Step 2: Convert to fraction form
    7,281,211.20/10,921,816.80 = 4,446,859.20/x
  3. Step 3: Cross multiply
    7,281,211.20x = 10,921,816.80 × 4,446,859.20
  4. Step 4: Simplify right side
    7,281,211.20x = 48,567,781,517,794.56
  5. Step 5: Solve for x
    x = 48,567,781,517,794.56/7,281,211.20
  6. Step 6: Final answer
    x = 6,670,288.80

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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.