Home / 6,459,940.20-9,689,910.30-5,200,228.20

Finding the Fourth Proportional to 6,459,940.20, 9,689,910.30 and 5,200,228.20

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Solution

The fourth proportional to 6,459,940.20, 9,689,910.30 and 5,200,228.20 is: 7,800,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459,940.20 : 9,689,910.30 = 5,200,228.20 : x
  2. Step 2: Convert to fraction form
    6,459,940.20/9,689,910.30 = 5,200,228.20/x
  3. Step 3: Cross multiply
    6,459,940.20x = 9,689,910.30 × 5,200,228.20
  4. Step 4: Simplify right side
    6,459,940.20x = 50,389,744,797,530.47
  5. Step 5: Solve for x
    x = 50,389,744,797,530.47/6,459,940.20
  6. Step 6: Final answer
    x = 7,800,342.30

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Similar ratio
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1.5x scale

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.