Home / 16,790,639.80-25,143,969.30-13,431,407.80

Finding the Fourth Proportional to 16,790,639.80, 25,143,969.30 and 13,431,407.80

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Solution

The fourth proportional to 16,790,639.80, 25,143,969.30 and 13,431,407.80 is: 20,113,522.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,790,639.80 : 25,143,969.30 = 13,431,407.80 : x
  2. Step 2: Convert to fraction form
    16,790,639.80/25,143,969.30 = 13,431,407.80/x
  3. Step 3: Cross multiply
    16,790,639.80x = 25,143,969.30 × 13,431,407.80
  4. Step 4: Simplify right side
    16,790,639.80x = 337,718,905,378,980.56
  5. Step 5: Solve for x
    x = 337,718,905,378,980.56/16,790,639.80
  6. Step 6: Final answer
    x = 20,113,522.14

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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.