Home / 7,207,975.30-9,947,009.78-3,944,788.11

Finding the Fourth Proportional to 7,207,975.30, 9,947,009.78 and 3,944,788.11

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Solution

The fourth proportional to 7,207,975.30, 9,947,009.78 and 3,944,788.11 is: 5,443,809.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207,975.30 : 9,947,009.78 = 3,944,788.11 : x
  2. Step 2: Convert to fraction form
    7,207,975.30/9,947,009.78 = 3,944,788.11/x
  3. Step 3: Cross multiply
    7,207,975.30x = 9,947,009.78 × 3,944,788.11
  4. Step 4: Simplify right side
    7,207,975.30x = 39,238,845,910,197.71
  5. Step 5: Solve for x
    x = 39,238,845,910,197.71/7,207,975.30
  6. Step 6: Final answer
    x = 5,443,809.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.