Home / 12,659,051.52-18,990,973.44-5,086,609.92

Finding the Fourth Proportional to 12,659,051.52, 18,990,973.44 and 5,086,609.92

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Solution

The fourth proportional to 12,659,051.52, 18,990,973.44 and 5,086,609.92 is: 7,630,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659,051.52 : 18,990,973.44 = 5,086,609.92 : x
  2. Step 2: Convert to fraction form
    12,659,051.52/18,990,973.44 = 5,086,609.92/x
  3. Step 3: Cross multiply
    12,659,051.52x = 18,990,973.44 × 5,086,609.92
  4. Step 4: Simplify right side
    12,659,051.52x = 96,599,673,890,360.53
  5. Step 5: Solve for x
    x = 96,599,673,890,360.53/12,659,051.52
  6. Step 6: Final answer
    x = 7,630,877.70

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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.