Home / 12,420,682-18,631,023-3,445,234

Finding the Fourth Proportional to 12,420,682, 18,631,023 and 3,445,234

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Solution

The fourth proportional to 12,420,682, 18,631,023 and 3,445,234 is: 5,167,851

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,420,682 : 18,631,023 = 3,445,234 : x
  2. Step 2: Convert to fraction form
    12,420,682/18,631,023 = 3,445,234/x
  3. Step 3: Cross multiply
    12,420,682x = 18,631,023 × 3,445,234
  4. Step 4: Simplify right side
    12,420,682x = 64,188,233,894,382
  5. Step 5: Solve for x
    x = 64,188,233,894,382/12,420,682
  6. Step 6: Final answer
    x = 5,167,851

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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.