Home / 31,195,251.77-46,797,135.62-12,995,189.78

Finding the Fourth Proportional to 31,195,251.77, 46,797,135.62 and 12,995,189.78

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Solution

The fourth proportional to 31,195,251.77, 46,797,135.62 and 12,995,189.78 is: 19,494,558.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,195,251.77 : 46,797,135.62 = 12,995,189.78 : x
  2. Step 2: Convert to fraction form
    31,195,251.77/46,797,135.62 = 12,995,189.78/x
  3. Step 3: Cross multiply
    31,195,251.77x = 46,797,135.62 × 12,995,189.78
  4. Step 4: Simplify right side
    31,195,251.77x = 608,137,658,243,336.38
  5. Step 5: Solve for x
    x = 608,137,658,243,336.38/31,195,251.77
  6. Step 6: Final answer
    x = 19,494,558.43

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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.