Home / 5,360,436.80-8,040,655.20-5,111,604.80

Finding the Fourth Proportional to 5,360,436.80, 8,040,655.20 and 5,111,604.80

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Solution

The fourth proportional to 5,360,436.80, 8,040,655.20 and 5,111,604.80 is: 7,667,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360,436.80 : 8,040,655.20 = 5,111,604.80 : x
  2. Step 2: Convert to fraction form
    5,360,436.80/8,040,655.20 = 5,111,604.80/x
  3. Step 3: Cross multiply
    5,360,436.80x = 8,040,655.20 × 5,111,604.80
  4. Step 4: Simplify right side
    5,360,436.80x = 41,100,651,715,464.96
  5. Step 5: Solve for x
    x = 41,100,651,715,464.96/5,360,436.80
  6. Step 6: Final answer
    x = 7,667,407.20

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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.