Home / 13,167,348.12-18,170,967.24-7,366,226.88

Finding the Fourth Proportional to 13,167,348.12, 18,170,967.24 and 7,366,226.88

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Solution

The fourth proportional to 13,167,348.12, 18,170,967.24 and 7,366,226.88 is: 10,165,408.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167,348.12 : 18,170,967.24 = 7,366,226.88 : x
  2. Step 2: Convert to fraction form
    13,167,348.12/18,170,967.24 = 7,366,226.88/x
  3. Step 3: Cross multiply
    13,167,348.12x = 18,170,967.24 × 7,366,226.88
  4. Step 4: Simplify right side
    13,167,348.12x = 133,851,467,318,887.39
  5. Step 5: Solve for x
    x = 133,851,467,318,887.39/13,167,348.12
  6. Step 6: Final answer
    x = 10,165,408.11

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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.