Home / 7,648,882.20-11,473,323.30-7,200,109.80

Finding the Fourth Proportional to 7,648,882.20, 11,473,323.30 and 7,200,109.80

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Solution

The fourth proportional to 7,648,882.20, 11,473,323.30 and 7,200,109.80 is: 10,800,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648,882.20 : 11,473,323.30 = 7,200,109.80 : x
  2. Step 2: Convert to fraction form
    7,648,882.20/11,473,323.30 = 7,200,109.80/x
  3. Step 3: Cross multiply
    7,648,882.20x = 11,473,323.30 × 7,200,109.80
  4. Step 4: Simplify right side
    7,648,882.20x = 82,609,187,530,898.34
  5. Step 5: Solve for x
    x = 82,609,187,530,898.34/7,648,882.20
  6. Step 6: Final answer
    x = 10,800,164.70

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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.