Home / 12,171,806.53-16,797,093.17-7,015,500.23

Finding the Fourth Proportional to 12,171,806.53, 16,797,093.17 and 7,015,500.23

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Solution

The fourth proportional to 12,171,806.53, 16,797,093.17 and 7,015,500.23 is: 9,681,390.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171,806.53 : 16,797,093.17 = 7,015,500.23 : x
  2. Step 2: Convert to fraction form
    12,171,806.53/16,797,093.17 = 7,015,500.23/x
  3. Step 3: Cross multiply
    12,171,806.53x = 16,797,093.17 × 7,015,500.23
  4. Step 4: Simplify right side
    12,171,806.53x = 117,840,010,962,388.92
  5. Step 5: Solve for x
    x = 117,840,010,962,388.92/12,171,806.53
  6. Step 6: Final answer
    x = 9,681,390.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.