Home / 17,486,890.80-26,230,336.20-5,519,626.80

Finding the Fourth Proportional to 17,486,890.80, 26,230,336.20 and 5,519,626.80

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Solution

The fourth proportional to 17,486,890.80, 26,230,336.20 and 5,519,626.80 is: 8,279,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,486,890.80 : 26,230,336.20 = 5,519,626.80 : x
  2. Step 2: Convert to fraction form
    17,486,890.80/26,230,336.20 = 5,519,626.80/x
  3. Step 3: Cross multiply
    17,486,890.80x = 26,230,336.20 × 5,519,626.80
  4. Step 4: Simplify right side
    17,486,890.80x = 144,781,666,662,530.16
  5. Step 5: Solve for x
    x = 144,781,666,662,530.16/17,486,890.80
  6. Step 6: Final answer
    x = 8,279,440.20

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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.