Home / 18,431,812.80-25,445,464.92-13,464,676.44

Finding the Fourth Proportional to 18,431,812.80, 25,445,464.92 and 13,464,676.44

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Solution

The fourth proportional to 18,431,812.80, 25,445,464.92 and 13,464,676.44 is: 18,588,239.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431,812.80 : 25,445,464.92 = 13,464,676.44 : x
  2. Step 2: Convert to fraction form
    18,431,812.80/25,445,464.92 = 13,464,676.44/x
  3. Step 3: Cross multiply
    18,431,812.80x = 25,445,464.92 × 13,464,676.44
  4. Step 4: Simplify right side
    18,431,812.80x = 342,614,952,013,170.50
  5. Step 5: Solve for x
    x = 342,614,952,013,170.50/18,431,812.80
  6. Step 6: Final answer
    x = 18,588,239.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.