Home / 21,960,387.62-30,305,337.74-12,171,463.77

Finding the Fourth Proportional to 21,960,387.62, 30,305,337.74 and 12,171,463.77

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Solution

The fourth proportional to 21,960,387.62, 30,305,337.74 and 12,171,463.77 is: 16,796,621.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960,387.62 : 30,305,337.74 = 12,171,463.77 : x
  2. Step 2: Convert to fraction form
    21,960,387.62/30,305,337.74 = 12,171,463.77/x
  3. Step 3: Cross multiply
    21,960,387.62x = 30,305,337.74 × 12,171,463.77
  4. Step 4: Simplify right side
    21,960,387.62x = 368,860,320,340,023.62
  5. Step 5: Solve for x
    x = 368,860,320,340,023.62/21,960,387.62
  6. Step 6: Final answer
    x = 16,796,621.57

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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.