Home / 18,045,455.40-27,068,183.10-17,407,726.20

Finding the Fourth Proportional to 18,045,455.40, 27,068,183.10 and 17,407,726.20

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Solution

The fourth proportional to 18,045,455.40, 27,068,183.10 and 17,407,726.20 is: 26,111,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,045,455.40 : 27,068,183.10 = 17,407,726.20 : x
  2. Step 2: Convert to fraction form
    18,045,455.40/27,068,183.10 = 17,407,726.20/x
  3. Step 3: Cross multiply
    18,045,455.40x = 27,068,183.10 × 17,407,726.20
  4. Step 4: Simplify right side
    18,045,455.40x = 471,195,520,136,267.25
  5. Step 5: Solve for x
    x = 471,195,520,136,267.25/18,045,455.40
  6. Step 6: Final answer
    x = 26,111,589.30

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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.