Home / 18,403,210.80-27,604,816.20-8,325,514.80

Finding the Fourth Proportional to 18,403,210.80, 27,604,816.20 and 8,325,514.80

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Solution

The fourth proportional to 18,403,210.80, 27,604,816.20 and 8,325,514.80 is: 12,488,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403,210.80 : 27,604,816.20 = 8,325,514.80 : x
  2. Step 2: Convert to fraction form
    18,403,210.80/27,604,816.20 = 8,325,514.80/x
  3. Step 3: Cross multiply
    18,403,210.80x = 27,604,816.20 × 8,325,514.80
  4. Step 4: Simplify right side
    18,403,210.80x = 229,824,305,824,379.75
  5. Step 5: Solve for x
    x = 229,824,305,824,379.75/18,403,210.80
  6. Step 6: Final answer
    x = 12,488,272.20

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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.