Home / 11,368,576.47-17,022,306.87-8,659,998.84

Finding the Fourth Proportional to 11,368,576.47, 17,022,306.87 and 8,659,998.84

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Solution

The fourth proportional to 11,368,576.47, 17,022,306.87 and 8,659,998.84 is: 12,966,720.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,368,576.47 : 17,022,306.87 = 8,659,998.84 : x
  2. Step 2: Convert to fraction form
    11,368,576.47/17,022,306.87 = 8,659,998.84/x
  3. Step 3: Cross multiply
    11,368,576.47x = 17,022,306.87 × 8,659,998.84
  4. Step 4: Simplify right side
    11,368,576.47x = 147,413,157,748,324.03
  5. Step 5: Solve for x
    x = 147,413,157,748,324.03/11,368,576.47
  6. Step 6: Final answer
    x = 12,966,720.87

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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.