Home / 7,417,409.24-11,117,145.78-3,821,214.42

Finding the Fourth Proportional to 7,417,409.24, 11,117,145.78 and 3,821,214.42

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Solution

The fourth proportional to 7,417,409.24, 11,117,145.78 and 3,821,214.42 is: 5,727,201.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417,409.24 : 11,117,145.78 = 3,821,214.42 : x
  2. Step 2: Convert to fraction form
    7,417,409.24/11,117,145.78 = 3,821,214.42/x
  3. Step 3: Cross multiply
    7,417,409.24x = 11,117,145.78 × 3,821,214.42
  4. Step 4: Simplify right side
    7,417,409.24x = 42,480,997,763,778.14
  5. Step 5: Solve for x
    x = 42,480,997,763,778.14/7,417,409.24
  6. Step 6: Final answer
    x = 5,727,201.56

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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.