Home / 12,424,645.80-17,145,806.49-7,268,880.78

Finding the Fourth Proportional to 12,424,645.80, 17,145,806.49 and 7,268,880.78

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Solution

The fourth proportional to 12,424,645.80, 17,145,806.49 and 7,268,880.78 is: 10,030,935.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424,645.80 : 17,145,806.49 = 7,268,880.78 : x
  2. Step 2: Convert to fraction form
    12,424,645.80/17,145,806.49 = 7,268,880.78/x
  3. Step 3: Cross multiply
    12,424,645.80x = 17,145,806.49 × 7,268,880.78
  4. Step 4: Simplify right side
    12,424,645.80x = 124,630,823,252,760.25
  5. Step 5: Solve for x
    x = 124,630,823,252,760.25/12,424,645.80
  6. Step 6: Final answer
    x = 10,030,935.71

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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.