Home / 20,746,276.20-31,119,414.30-11,180,338.20

Finding the Fourth Proportional to 20,746,276.20, 31,119,414.30 and 11,180,338.20

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Solution

The fourth proportional to 20,746,276.20, 31,119,414.30 and 11,180,338.20 is: 16,770,507.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,746,276.20 : 31,119,414.30 = 11,180,338.20 : x
  2. Step 2: Convert to fraction form
    20,746,276.20/31,119,414.30 = 11,180,338.20/x
  3. Step 3: Cross multiply
    20,746,276.20x = 31,119,414.30 × 11,180,338.20
  4. Step 4: Simplify right side
    20,746,276.20x = 347,925,576,459,916.25
  5. Step 5: Solve for x
    x = 347,925,576,459,916.25/20,746,276.20
  6. Step 6: Final answer
    x = 16,770,507.30

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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.