Home / 18,647,488.53-27,975,559.95-5,867,661.15

Finding the Fourth Proportional to 18,647,488.53, 27,975,559.95 and 5,867,661.15

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Solution

The fourth proportional to 18,647,488.53, 27,975,559.95 and 5,867,661.15 is: 8,802,853.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,647,488.53 : 27,975,559.95 = 5,867,661.15 : x
  2. Step 2: Convert to fraction form
    18,647,488.53/27,975,559.95 = 5,867,661.15/x
  3. Step 3: Cross multiply
    18,647,488.53x = 27,975,559.95 × 5,867,661.15
  4. Step 4: Simplify right side
    18,647,488.53x = 164,151,106,268,110.94
  5. Step 5: Solve for x
    x = 164,151,106,268,110.94/18,647,488.53
  6. Step 6: Final answer
    x = 8,802,853.32

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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.