Home / 18,452,003.10-27,678,004.65-17,108,310.30

Finding the Fourth Proportional to 18,452,003.10, 27,678,004.65 and 17,108,310.30

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Solution

The fourth proportional to 18,452,003.10, 27,678,004.65 and 17,108,310.30 is: 25,662,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452,003.10 : 27,678,004.65 = 17,108,310.30 : x
  2. Step 2: Convert to fraction form
    18,452,003.10/27,678,004.65 = 17,108,310.30/x
  3. Step 3: Cross multiply
    18,452,003.10x = 27,678,004.65 × 17,108,310.30
  4. Step 4: Simplify right side
    18,452,003.10x = 473,523,892,037,042.88
  5. Step 5: Solve for x
    x = 473,523,892,037,042.88/18,452,003.10
  6. Step 6: Final answer
    x = 25,662,465.45

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Double scale
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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.