Home / 8,661,836.70-12,964,761.45-6,758,271.90

Finding the Fourth Proportional to 8,661,836.70, 12,964,761.45 and 6,758,271.90

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Solution

The fourth proportional to 8,661,836.70, 12,964,761.45 and 6,758,271.90 is: 10,115,566.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,661,836.70 : 12,964,761.45 = 6,758,271.90 : x
  2. Step 2: Convert to fraction form
    8,661,836.70/12,964,761.45 = 6,758,271.90/x
  3. Step 3: Cross multiply
    8,661,836.70x = 12,964,761.45 × 6,758,271.90
  4. Step 4: Simplify right side
    8,661,836.70x = 87,619,382,997,738.25
  5. Step 5: Solve for x
    x = 87,619,382,997,738.25/8,661,836.70
  6. Step 6: Final answer
    x = 10,115,566.25

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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.