Home / 20,177,570.80-30,266,356.20-11,674,514.80

Finding the Fourth Proportional to 20,177,570.80, 30,266,356.20 and 11,674,514.80

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Solution

The fourth proportional to 20,177,570.80, 30,266,356.20 and 11,674,514.80 is: 17,511,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177,570.80 : 30,266,356.20 = 11,674,514.80 : x
  2. Step 2: Convert to fraction form
    20,177,570.80/30,266,356.20 = 11,674,514.80/x
  3. Step 3: Cross multiply
    20,177,570.80x = 30,266,356.20 × 11,674,514.80
  4. Step 4: Simplify right side
    20,177,570.80x = 353,345,023,398,971.75
  5. Step 5: Solve for x
    x = 353,345,023,398,971.75/20,177,570.80
  6. Step 6: Final answer
    x = 17,511,772.20

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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.