Home / 13,029,791.56-17,973,641.76-8,126,500.96

Finding the Fourth Proportional to 13,029,791.56, 17,973,641.76 and 8,126,500.96

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Solution

The fourth proportional to 13,029,791.56, 17,973,641.76 and 8,126,500.96 is: 11,209,912.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029,791.56 : 17,973,641.76 = 8,126,500.96 : x
  2. Step 2: Convert to fraction form
    13,029,791.56/17,973,641.76 = 8,126,500.96/x
  3. Step 3: Cross multiply
    13,029,791.56x = 17,973,641.76 × 8,126,500.96
  4. Step 4: Simplify right side
    13,029,791.56x = 146,062,817,017,336.09
  5. Step 5: Solve for x
    x = 146,062,817,017,336.09/13,029,791.56
  6. Step 6: Final answer
    x = 11,209,912.02

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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.