Home / 7,490,998.20-11,236,497.30-4,305,948.60

Finding the Fourth Proportional to 7,490,998.20, 11,236,497.30 and 4,305,948.60

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Solution

The fourth proportional to 7,490,998.20, 11,236,497.30 and 4,305,948.60 is: 6,458,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490,998.20 : 11,236,497.30 = 4,305,948.60 : x
  2. Step 2: Convert to fraction form
    7,490,998.20/11,236,497.30 = 4,305,948.60/x
  3. Step 3: Cross multiply
    7,490,998.20x = 11,236,497.30 × 4,305,948.60
  4. Step 4: Simplify right side
    7,490,998.20x = 48,383,779,817,838.78
  5. Step 5: Solve for x
    x = 48,383,779,817,838.78/7,490,998.20
  6. Step 6: Final answer
    x = 6,458,922.90

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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.