Home / 7,479,745.20-11,191,624.20-4,960,321.20

Finding the Fourth Proportional to 7,479,745.20, 11,191,624.20 and 4,960,321.20

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Solution

The fourth proportional to 7,479,745.20, 11,191,624.20 and 4,960,321.20 is: 7,421,917.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479,745.20 : 11,191,624.20 = 4,960,321.20 : x
  2. Step 2: Convert to fraction form
    7,479,745.20/11,191,624.20 = 4,960,321.20/x
  3. Step 3: Cross multiply
    7,479,745.20x = 11,191,624.20 × 4,960,321.20
  4. Step 4: Simplify right side
    7,479,745.20x = 55,514,050,781,693.04
  5. Step 5: Solve for x
    x = 55,514,050,781,693.04/7,479,745.20
  6. Step 6: Final answer
    x = 7,421,917.36

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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.