Home / 7,901,949.72-11,852,921.52-2,222,173.80

Finding the Fourth Proportional to 7,901,949.72, 11,852,921.52 and 2,222,173.80

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Solution

The fourth proportional to 7,901,949.72, 11,852,921.52 and 2,222,173.80 is: 3,333,259.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901,949.72 : 11,852,921.52 = 2,222,173.80 : x
  2. Step 2: Convert to fraction form
    7,901,949.72/11,852,921.52 = 2,222,173.80/x
  3. Step 3: Cross multiply
    7,901,949.72x = 11,852,921.52 × 2,222,173.80
  4. Step 4: Simplify right side
    7,901,949.72x = 26,339,251,655,200.17
  5. Step 5: Solve for x
    x = 26,339,251,655,200.17/7,901,949.72
  6. Step 6: Final answer
    x = 3,333,259.84

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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.