Home / 7,288,163.12-10,057,682.16-4,024,918.40

Finding the Fourth Proportional to 7,288,163.12, 10,057,682.16 and 4,024,918.40

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Solution

The fourth proportional to 7,288,163.12, 10,057,682.16 and 4,024,918.40 is: 5,554,396.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288,163.12 : 10,057,682.16 = 4,024,918.40 : x
  2. Step 2: Convert to fraction form
    7,288,163.12/10,057,682.16 = 4,024,918.40/x
  3. Step 3: Cross multiply
    7,288,163.12x = 10,057,682.16 × 4,024,918.40
  4. Step 4: Simplify right side
    7,288,163.12x = 40,481,349,987,135.74
  5. Step 5: Solve for x
    x = 40,481,349,987,135.74/7,288,163.12
  6. Step 6: Final answer
    x = 5,554,396.81

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Why These Related Problems?

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