Home / 18,431,763-25,445,395-13,464,626.82

Finding the Fourth Proportional to 18,431,763, 25,445,395 and 13,464,626.82

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Solution

The fourth proportional to 18,431,763, 25,445,395 and 13,464,626.82 is: 18,588,170.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431,763 : 25,445,395 = 13,464,626.82 : x
  2. Step 2: Convert to fraction form
    18,431,763/25,445,395 = 13,464,626.82/x
  3. Step 3: Cross multiply
    18,431,763x = 25,445,395 × 13,464,626.82
  4. Step 4: Simplify right side
    18,431,763x = 342,612,747,962,493.94
  5. Step 5: Solve for x
    x = 342,612,747,962,493.94/18,431,763
  6. Step 6: Final answer
    x = 18,588,170.21

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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.