Home / 16,790,369.80-25,143,564.30-13,431,137.80

Finding the Fourth Proportional to 16,790,369.80, 25,143,564.30 and 13,431,137.80

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Solution

The fourth proportional to 16,790,369.80, 25,143,564.30 and 13,431,137.80 is: 20,113,117.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,790,369.80 : 25,143,564.30 = 13,431,137.80 : x
  2. Step 2: Convert to fraction form
    16,790,369.80/25,143,564.30 = 13,431,137.80/x
  3. Step 3: Cross multiply
    16,790,369.80x = 25,143,564.30 × 13,431,137.80
  4. Step 4: Simplify right side
    16,790,369.80x = 337,706,676,896,460.56
  5. Step 5: Solve for x
    x = 337,706,676,896,460.56/16,790,369.80
  6. Step 6: Final answer
    x = 20,113,117.28

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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.