Home / 13,286,951.10-18,335,992.41-7,175,379.06

Finding the Fourth Proportional to 13,286,951.10, 18,335,992.41 and 7,175,379.06

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Solution

The fourth proportional to 13,286,951.10, 18,335,992.41 and 7,175,379.06 is: 9,902,023.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,951.10 : 18,335,992.41 = 7,175,379.06 : x
  2. Step 2: Convert to fraction form
    13,286,951.10/18,335,992.41 = 7,175,379.06/x
  3. Step 3: Cross multiply
    13,286,951.10x = 18,335,992.41 × 7,175,379.06
  4. Step 4: Simplify right side
    13,286,951.10x = 131,567,695,983,032.92
  5. Step 5: Solve for x
    x = 131,567,695,983,032.92/13,286,951.10
  6. Step 6: Final answer
    x = 9,902,023.04

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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.