Home / 15,583,313.25-21,504,559.71-8,707,851.81

Finding the Fourth Proportional to 15,583,313.25, 21,504,559.71 and 8,707,851.81

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Solution

The fourth proportional to 15,583,313.25, 21,504,559.71 and 8,707,851.81 is: 12,016,604.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583,313.25 : 21,504,559.71 = 8,707,851.81 : x
  2. Step 2: Convert to fraction form
    15,583,313.25/21,504,559.71 = 8,707,851.81/x
  3. Step 3: Cross multiply
    15,583,313.25x = 21,504,559.71 × 8,707,851.81
  4. Step 4: Simplify right side
    15,583,313.25x = 187,258,519,193,976.59
  5. Step 5: Solve for x
    x = 187,258,519,193,976.59/15,583,313.25
  6. Step 6: Final answer
    x = 12,016,604.95

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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.