Home / 16,790,619.30-25,143,938.55-13,431,387.30

Finding the Fourth Proportional to 16,790,619.30, 25,143,938.55 and 13,431,387.30

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Solution

The fourth proportional to 16,790,619.30, 25,143,938.55 and 13,431,387.30 is: 20,113,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,790,619.30 : 25,143,938.55 = 13,431,387.30 : x
  2. Step 2: Convert to fraction form
    16,790,619.30/25,143,938.55 = 13,431,387.30/x
  3. Step 3: Cross multiply
    16,790,619.30x = 25,143,938.55 × 13,431,387.30
  4. Step 4: Simplify right side
    16,790,619.30x = 337,717,976,912,450.44
  5. Step 5: Solve for x
    x = 337,717,976,912,450.44/16,790,619.30
  6. Step 6: Final answer
    x = 20,113,491.40

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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.