Home / 12,277,721.42-18,413,439.67-3,639,801.93

Finding the Fourth Proportional to 12,277,721.42, 18,413,439.67 and 3,639,801.93

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Solution

The fourth proportional to 12,277,721.42, 18,413,439.67 and 3,639,801.93 is: 5,458,771.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277,721.42 : 18,413,439.67 = 3,639,801.93 : x
  2. Step 2: Convert to fraction form
    12,277,721.42/18,413,439.67 = 3,639,801.93/x
  3. Step 3: Cross multiply
    12,277,721.42x = 18,413,439.67 × 3,639,801.93
  4. Step 4: Simplify right side
    12,277,721.42x = 67,021,273,194,542.68
  5. Step 5: Solve for x
    x = 67,021,273,194,542.68/12,277,721.42
  6. Step 6: Final answer
    x = 5,458,771.29

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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.