Home / 17,965,078.30-26,951,116.65-5,185,999.90

Finding the Fourth Proportional to 17,965,078.30, 26,951,116.65 and 5,185,999.90

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Solution

The fourth proportional to 17,965,078.30, 26,951,116.65 and 5,185,999.90 is: 7,780,009.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,965,078.30 : 26,951,116.65 = 5,185,999.90 : x
  2. Step 2: Convert to fraction form
    17,965,078.30/26,951,116.65 = 5,185,999.90/x
  3. Step 3: Cross multiply
    17,965,078.30x = 26,951,116.65 × 5,185,999.90
  4. Step 4: Simplify right side
    17,965,078.30x = 139,768,488,251,788.34
  5. Step 5: Solve for x
    x = 139,768,488,251,788.34/17,965,078.30
  6. Step 6: Final answer
    x = 7,780,009.97

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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.