Home / 7,859,968.62-11,789,952.92-2,180,192.93

Finding the Fourth Proportional to 7,859,968.62, 11,789,952.92 and 2,180,192.93

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Solution

The fourth proportional to 7,859,968.62, 11,789,952.92 and 2,180,192.93 is: 3,270,289.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859,968.62 : 11,789,952.92 = 2,180,192.93 : x
  2. Step 2: Convert to fraction form
    7,859,968.62/11,789,952.92 = 2,180,192.93/x
  3. Step 3: Cross multiply
    7,859,968.62x = 11,789,952.92 × 2,180,192.93
  4. Step 4: Simplify right side
    7,859,968.62x = 25,704,372,001,216.86
  5. Step 5: Solve for x
    x = 25,704,372,001,216.86/7,859,968.62
  6. Step 6: Final answer
    x = 3,270,289.39

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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.