Home / 7,727,120.82-10,662,893.28-4,289,091.18

Finding the Fourth Proportional to 7,727,120.82, 10,662,893.28 and 4,289,091.18

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Solution

The fourth proportional to 7,727,120.82, 10,662,893.28 and 4,289,091.18 is: 5,918,649.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727,120.82 : 10,662,893.28 = 4,289,091.18 : x
  2. Step 2: Convert to fraction form
    7,727,120.82/10,662,893.28 = 4,289,091.18/x
  3. Step 3: Cross multiply
    7,727,120.82x = 10,662,893.28 × 4,289,091.18
  4. Step 4: Simplify right side
    7,727,120.82x = 45,734,121,520,529.27
  5. Step 5: Solve for x
    x = 45,734,121,520,529.27/7,727,120.82
  6. Step 6: Final answer
    x = 5,918,649.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.