Home / 13,443,619.10-20,165,428.65-11,081,659.10

Finding the Fourth Proportional to 13,443,619.10, 20,165,428.65 and 11,081,659.10

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Solution

The fourth proportional to 13,443,619.10, 20,165,428.65 and 11,081,659.10 is: 16,622,488.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443,619.10 : 20,165,428.65 = 11,081,659.10 : x
  2. Step 2: Convert to fraction form
    13,443,619.10/20,165,428.65 = 11,081,659.10/x
  3. Step 3: Cross multiply
    13,443,619.10x = 20,165,428.65 × 11,081,659.10
  4. Step 4: Simplify right side
    13,443,619.10x = 223,466,405,904,673.19
  5. Step 5: Solve for x
    x = 223,466,405,904,673.19/13,443,619.10
  6. Step 6: Final answer
    x = 16,622,488.65

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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.