Home / 8,040,187.20-12,056,133.60-2,988,897.60

Finding the Fourth Proportional to 8,040,187.20, 12,056,133.60 and 2,988,897.60

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Solution

The fourth proportional to 8,040,187.20, 12,056,133.60 and 2,988,897.60 is: 4,481,804.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040,187.20 : 12,056,133.60 = 2,988,897.60 : x
  2. Step 2: Convert to fraction form
    8,040,187.20/12,056,133.60 = 2,988,897.60/x
  3. Step 3: Cross multiply
    8,040,187.20x = 12,056,133.60 × 2,988,897.60
  4. Step 4: Simplify right side
    8,040,187.20x = 36,034,548,782,319.36
  5. Step 5: Solve for x
    x = 36,034,548,782,319.36/8,040,187.20
  6. Step 6: Final answer
    x = 4,481,804.70

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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.