Home / 20,103,791.70-30,155,687.55-16,755,713.40

Finding the Fourth Proportional to 20,103,791.70, 30,155,687.55 and 16,755,713.40

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Solution

The fourth proportional to 20,103,791.70, 30,155,687.55 and 16,755,713.40 is: 25,133,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,103,791.70 : 30,155,687.55 = 16,755,713.40 : x
  2. Step 2: Convert to fraction form
    20,103,791.70/30,155,687.55 = 16,755,713.40/x
  3. Step 3: Cross multiply
    20,103,791.70x = 30,155,687.55 × 16,755,713.40
  4. Step 4: Simplify right side
    20,103,791.70x = 505,280,057,967,748.19
  5. Step 5: Solve for x
    x = 505,280,057,967,748.19/20,103,791.70
  6. Step 6: Final answer
    x = 25,133,570.10

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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.