Home / 11,368,564.47-17,022,288.87-8,659,986.84

Finding the Fourth Proportional to 11,368,564.47, 17,022,288.87 and 8,659,986.84

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Solution

The fourth proportional to 11,368,564.47, 17,022,288.87 and 8,659,986.84 is: 12,966,702.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,368,564.47 : 17,022,288.87 = 8,659,986.84 : x
  2. Step 2: Convert to fraction form
    11,368,564.47/17,022,288.87 = 8,659,986.84/x
  3. Step 3: Cross multiply
    11,368,564.47x = 17,022,288.87 × 8,659,986.84
  4. Step 4: Simplify right side
    11,368,564.47x = 147,412,797,600,878.47
  5. Step 5: Solve for x
    x = 147,412,797,600,878.47/11,368,564.47
  6. Step 6: Final answer
    x = 12,966,702.88

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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.