Home / 7,972,495.39-11,955,790.59-2,579,747.05

Finding the Fourth Proportional to 7,972,495.39, 11,955,790.59 and 2,579,747.05

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Solution

The fourth proportional to 7,972,495.39, 11,955,790.59 and 2,579,747.05 is: 3,868,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972,495.39 : 11,955,790.59 = 2,579,747.05 : x
  2. Step 2: Convert to fraction form
    7,972,495.39/11,955,790.59 = 2,579,747.05/x
  3. Step 3: Cross multiply
    7,972,495.39x = 11,955,790.59 × 2,579,747.05
  4. Step 4: Simplify right side
    7,972,495.39x = 30,842,915,504,970.26
  5. Step 5: Solve for x
    x = 30,842,915,504,970.26/7,972,495.39
  6. Step 6: Final answer
    x = 3,868,665.20

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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.