Home / 7,464,278.40-11,188,123.20-3,203,721.60

Finding the Fourth Proportional to 7,464,278.40, 11,188,123.20 and 3,203,721.60

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Solution

The fourth proportional to 7,464,278.40, 11,188,123.20 and 3,203,721.60 is: 4,802,022.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,464,278.40 : 11,188,123.20 = 3,203,721.60 : x
  2. Step 2: Convert to fraction form
    7,464,278.40/11,188,123.20 = 3,203,721.60/x
  3. Step 3: Cross multiply
    7,464,278.40x = 11,188,123.20 × 3,203,721.60
  4. Step 4: Simplify right side
    7,464,278.40x = 35,843,631,959,301.12
  5. Step 5: Solve for x
    x = 35,843,631,959,301.12/7,464,278.40
  6. Step 6: Final answer
    x = 4,802,022.38

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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.