Home / 7,539,735.70-11,309,362.80-2,422,144.78

Finding the Fourth Proportional to 7,539,735.70, 11,309,362.80 and 2,422,144.78

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Solution

The fourth proportional to 7,539,735.70, 11,309,362.80 and 2,422,144.78 is: 3,633,139.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539,735.70 : 11,309,362.80 = 2,422,144.78 : x
  2. Step 2: Convert to fraction form
    7,539,735.70/11,309,362.80 = 2,422,144.78/x
  3. Step 3: Cross multiply
    7,539,735.70x = 11,309,362.80 × 2,422,144.78
  4. Step 4: Simplify right side
    7,539,735.70x = 27,392,914,071,146.18
  5. Step 5: Solve for x
    x = 27,392,914,071,146.18/7,539,735.70
  6. Step 6: Final answer
    x = 3,633,139.83

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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.