Home / 10,689,099.80-16,033,649.70-3,960,138.20

Finding the Fourth Proportional to 10,689,099.80, 16,033,649.70 and 3,960,138.20

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Solution

The fourth proportional to 10,689,099.80, 16,033,649.70 and 3,960,138.20 is: 5,940,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689,099.80 : 16,033,649.70 = 3,960,138.20 : x
  2. Step 2: Convert to fraction form
    10,689,099.80/16,033,649.70 = 3,960,138.20/x
  3. Step 3: Cross multiply
    10,689,099.80x = 16,033,649.70 × 3,960,138.20
  4. Step 4: Simplify right side
    10,689,099.80x = 63,495,468,662,388.54
  5. Step 5: Solve for x
    x = 63,495,468,662,388.54/10,689,099.80
  6. Step 6: Final answer
    x = 5,940,207.30

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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.