Home / 12,428,704.94-18,643,058.75-3,792,850.65

Finding the Fourth Proportional to 12,428,704.94, 18,643,058.75 and 3,792,850.65

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Solution

The fourth proportional to 12,428,704.94, 18,643,058.75 and 3,792,850.65 is: 5,689,276.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,428,704.94 : 18,643,058.75 = 3,792,850.65 : x
  2. Step 2: Convert to fraction form
    12,428,704.94/18,643,058.75 = 3,792,850.65/x
  3. Step 3: Cross multiply
    12,428,704.94x = 18,643,058.75 × 3,792,850.65
  4. Step 4: Simplify right side
    12,428,704.94x = 70,710,337,507,407.81
  5. Step 5: Solve for x
    x = 70,710,337,507,407.81/12,428,704.94
  6. Step 6: Final answer
    x = 5,689,276.39

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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.