Home / 18,881,975.70-28,322,963.55-6,111,645.30

Finding the Fourth Proportional to 18,881,975.70, 28,322,963.55 and 6,111,645.30

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Solution

The fourth proportional to 18,881,975.70, 28,322,963.55 and 6,111,645.30 is: 9,167,467.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,881,975.70 : 28,322,963.55 = 6,111,645.30 : x
  2. Step 2: Convert to fraction form
    18,881,975.70/28,322,963.55 = 6,111,645.30/x
  3. Step 3: Cross multiply
    18,881,975.70x = 28,322,963.55 × 6,111,645.30
  4. Step 4: Simplify right side
    18,881,975.70x = 173,099,907,062,428.81
  5. Step 5: Solve for x
    x = 173,099,907,062,428.81/18,881,975.70
  6. Step 6: Final answer
    x = 9,167,467.95

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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.