Home / 12,601,507.15-18,888,974.70-4,922,184.70

Finding the Fourth Proportional to 12,601,507.15, 18,888,974.70 and 4,922,184.70

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Solution

The fourth proportional to 12,601,507.15, 18,888,974.70 and 4,922,184.70 is: 7,378,087.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601,507.15 : 18,888,974.70 = 4,922,184.70 : x
  2. Step 2: Convert to fraction form
    12,601,507.15/18,888,974.70 = 4,922,184.70/x
  3. Step 3: Cross multiply
    12,601,507.15x = 18,888,974.70 × 4,922,184.70
  4. Step 4: Simplify right side
    12,601,507.15x = 92,975,022,267,027.09
  5. Step 5: Solve for x
    x = 92,975,022,267,027.09/12,601,507.15
  6. Step 6: Final answer
    x = 7,378,087.49

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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.