Home / 8,368,632.80-12,555,087.60-2,688,912.80

Finding the Fourth Proportional to 8,368,632.80, 12,555,087.60 and 2,688,912.80

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Solution

The fourth proportional to 8,368,632.80, 12,555,087.60 and 2,688,912.80 is: 4,034,056.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368,632.80 : 12,555,087.60 = 2,688,912.80 : x
  2. Step 2: Convert to fraction form
    8,368,632.80/12,555,087.60 = 2,688,912.80/x
  3. Step 3: Cross multiply
    8,368,632.80x = 12,555,087.60 × 2,688,912.80
  4. Step 4: Simplify right side
    8,368,632.80x = 33,759,535,752,761.28
  5. Step 5: Solve for x
    x = 33,759,535,752,761.28/8,368,632.80
  6. Step 6: Final answer
    x = 4,034,056.29

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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.