Home / 12,277,730.85-18,413,453.84-3,639,811.40

Finding the Fourth Proportional to 12,277,730.85, 18,413,453.84 and 3,639,811.40

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Solution

The fourth proportional to 12,277,730.85, 18,413,453.84 and 3,639,811.40 is: 5,458,785.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277,730.85 : 18,413,453.84 = 3,639,811.40 : x
  2. Step 2: Convert to fraction form
    12,277,730.85/18,413,453.84 = 3,639,811.40/x
  3. Step 3: Cross multiply
    12,277,730.85x = 18,413,453.84 × 3,639,811.40
  4. Step 4: Simplify right side
    12,277,730.85x = 67,021,499,200,205.77
  5. Step 5: Solve for x
    x = 67,021,499,200,205.77/12,277,730.85
  6. Step 6: Final answer
    x = 5,458,785.51

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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.