Home / 20,161,471.80-30,242,207.70-17,012,191.80

Finding the Fourth Proportional to 20,161,471.80, 30,242,207.70 and 17,012,191.80

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Solution

The fourth proportional to 20,161,471.80, 30,242,207.70 and 17,012,191.80 is: 25,518,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161,471.80 : 30,242,207.70 = 17,012,191.80 : x
  2. Step 2: Convert to fraction form
    20,161,471.80/30,242,207.70 = 17,012,191.80/x
  3. Step 3: Cross multiply
    20,161,471.80x = 30,242,207.70 × 17,012,191.80
  4. Step 4: Simplify right side
    20,161,471.80x = 514,486,237,847,836.88
  5. Step 5: Solve for x
    x = 514,486,237,847,836.88/20,161,471.80
  6. Step 6: Final answer
    x = 25,518,287.70

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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.