Home / 21,960,386.62-30,305,336.36-12,171,462.77

Finding the Fourth Proportional to 21,960,386.62, 30,305,336.36 and 12,171,462.77

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Solution

The fourth proportional to 21,960,386.62, 30,305,336.36 and 12,171,462.77 is: 16,796,620.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960,386.62 : 30,305,336.36 = 12,171,462.77 : x
  2. Step 2: Convert to fraction form
    21,960,386.62/30,305,336.36 = 12,171,462.77/x
  3. Step 3: Cross multiply
    21,960,386.62x = 30,305,336.36 × 12,171,462.77
  4. Step 4: Simplify right side
    21,960,386.62x = 368,860,273,252,973.38
  5. Step 5: Solve for x
    x = 368,860,273,252,973.38/21,960,386.62
  6. Step 6: Final answer
    x = 16,796,620.19

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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.