Home / 12,601,503.40-18,888,969.07-4,922,180.95

Finding the Fourth Proportional to 12,601,503.40, 18,888,969.07 and 4,922,180.95

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Solution

The fourth proportional to 12,601,503.40, 18,888,969.07 and 4,922,180.95 is: 7,378,081.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601,503.40 : 18,888,969.07 = 4,922,180.95 : x
  2. Step 2: Convert to fraction form
    12,601,503.40/18,888,969.07 = 4,922,180.95/x
  3. Step 3: Cross multiply
    12,601,503.40x = 18,888,969.07 × 4,922,180.95
  4. Step 4: Simplify right side
    12,601,503.40x = 92,974,923,721,493.22
  5. Step 5: Solve for x
    x = 92,974,923,721,493.22/12,601,503.40
  6. Step 6: Final answer
    x = 7,378,081.87

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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.