Home / 16,790,401.80-25,143,612.30-13,431,169.80

Finding the Fourth Proportional to 16,790,401.80, 25,143,612.30 and 13,431,169.80

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Solution

The fourth proportional to 16,790,401.80, 25,143,612.30 and 13,431,169.80 is: 20,113,165.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,790,401.80 : 25,143,612.30 = 13,431,169.80 : x
  2. Step 2: Convert to fraction form
    16,790,401.80/25,143,612.30 = 13,431,169.80/x
  3. Step 3: Cross multiply
    16,790,401.80x = 25,143,612.30 × 13,431,169.80
  4. Step 4: Simplify right side
    16,790,401.80x = 337,708,126,186,668.56
  5. Step 5: Solve for x
    x = 337,708,126,186,668.56/16,790,401.80
  6. Step 6: Final answer
    x = 20,113,165.26

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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.