Home / 13,077,389.30-18,049,295.13-8,659,326.72

Finding the Fourth Proportional to 13,077,389.30, 18,049,295.13 and 8,659,326.72

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Solution

The fourth proportional to 13,077,389.30, 18,049,295.13 and 8,659,326.72 is: 11,951,524.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,077,389.30 : 18,049,295.13 = 8,659,326.72 : x
  2. Step 2: Convert to fraction form
    13,077,389.30/18,049,295.13 = 8,659,326.72/x
  3. Step 3: Cross multiply
    13,077,389.30x = 18,049,295.13 × 8,659,326.72
  4. Step 4: Simplify right side
    13,077,389.30x = 156,294,743,596,374.88
  5. Step 5: Solve for x
    x = 156,294,743,596,374.88/13,077,389.30
  6. Step 6: Final answer
    x = 11,951,524.88

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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.