Home / 7,215,684.88-10,825,078.44-2,098,203.76

Finding the Fourth Proportional to 7,215,684.88, 10,825,078.44 and 2,098,203.76

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Solution

The fourth proportional to 7,215,684.88, 10,825,078.44 and 2,098,203.76 is: 3,147,756.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215,684.88 : 10,825,078.44 = 2,098,203.76 : x
  2. Step 2: Convert to fraction form
    7,215,684.88/10,825,078.44 = 2,098,203.76/x
  3. Step 3: Cross multiply
    7,215,684.88x = 10,825,078.44 × 2,098,203.76
  4. Step 4: Simplify right side
    7,215,684.88x = 22,713,220,285,102.93
  5. Step 5: Solve for x
    x = 22,713,220,285,102.93/7,215,684.88
  6. Step 6: Final answer
    x = 3,147,756.68

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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.