Home / 15,471,228.24-21,345,639-9,274,013.76

Finding the Fourth Proportional to 15,471,228.24, 21,345,639 and 9,274,013.76

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Solution

The fourth proportional to 15,471,228.24, 21,345,639 and 9,274,013.76 is: 12,795,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,471,228.24 : 21,345,639 = 9,274,013.76 : x
  2. Step 2: Convert to fraction form
    15,471,228.24/21,345,639 = 9,274,013.76/x
  3. Step 3: Cross multiply
    15,471,228.24x = 21,345,639 × 9,274,013.76
  4. Step 4: Simplify right side
    15,471,228.24x = 197,959,749,801,992.62
  5. Step 5: Solve for x
    x = 197,959,749,801,992.62/15,471,228.24
  6. Step 6: Final answer
    x = 12,795,348.03

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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.