Home / 8,087,514.80-12,131,272.20-7,341,018.80

Finding the Fourth Proportional to 8,087,514.80, 12,131,272.20 and 7,341,018.80

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Solution

The fourth proportional to 8,087,514.80, 12,131,272.20 and 7,341,018.80 is: 11,011,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087,514.80 : 12,131,272.20 = 7,341,018.80 : x
  2. Step 2: Convert to fraction form
    8,087,514.80/12,131,272.20 = 7,341,018.80/x
  3. Step 3: Cross multiply
    8,087,514.80x = 12,131,272.20 × 7,341,018.80
  4. Step 4: Simplify right side
    8,087,514.80x = 89,055,897,288,117.36
  5. Step 5: Solve for x
    x = 89,055,897,288,117.36/8,087,514.80
  6. Step 6: Final answer
    x = 11,011,528.20

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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.