Home / 16,790,404.80-25,143,616.80-13,431,172.80

Finding the Fourth Proportional to 16,790,404.80, 25,143,616.80 and 13,431,172.80

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Solution

The fourth proportional to 16,790,404.80, 25,143,616.80 and 13,431,172.80 is: 20,113,169.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,790,404.80 : 25,143,616.80 = 13,431,172.80 : x
  2. Step 2: Convert to fraction form
    16,790,404.80/25,143,616.80 = 13,431,172.80/x
  3. Step 3: Cross multiply
    16,790,404.80x = 25,143,616.80 × 13,431,172.80
  4. Step 4: Simplify right side
    16,790,404.80x = 337,708,262,057,783.06
  5. Step 5: Solve for x
    x = 337,708,262,057,783.06/16,790,404.80
  6. Step 6: Final answer
    x = 20,113,169.76

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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.