Home / 13,436,138.10-20,167,197.94-12,707,867.10

Finding the Fourth Proportional to 13,436,138.10, 20,167,197.94 and 12,707,867.10

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Solution

The fourth proportional to 13,436,138.10, 20,167,197.94 and 12,707,867.10 is: 19,074,087.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436,138.10 : 20,167,197.94 = 12,707,867.10 : x
  2. Step 2: Convert to fraction form
    13,436,138.10/20,167,197.94 = 12,707,867.10/x
  3. Step 3: Cross multiply
    13,436,138.10x = 20,167,197.94 × 12,707,867.10
  4. Step 4: Simplify right side
    13,436,138.10x = 256,282,071,200,913.78
  5. Step 5: Solve for x
    x = 256,282,071,200,913.78/13,436,138.10
  6. Step 6: Final answer
    x = 19,074,087.31

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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.