Home / 12,277,732.19-18,413,455.83-3,639,812.72

Finding the Fourth Proportional to 12,277,732.19, 18,413,455.83 and 3,639,812.72

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Solution

The fourth proportional to 12,277,732.19, 18,413,455.83 and 3,639,812.72 is: 5,458,787.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277,732.19 : 18,413,455.83 = 3,639,812.72 : x
  2. Step 2: Convert to fraction form
    12,277,732.19/18,413,455.83 = 3,639,812.72/x
  3. Step 3: Cross multiply
    12,277,732.19x = 18,413,455.83 × 3,639,812.72
  4. Step 4: Simplify right side
    12,277,732.19x = 67,021,530,657,124.87
  5. Step 5: Solve for x
    x = 67,021,530,657,124.87/12,277,732.19
  6. Step 6: Final answer
    x = 5,458,787.47

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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.