Home / 12,428,707.94-18,643,063.26-3,792,853.66

Finding the Fourth Proportional to 12,428,707.94, 18,643,063.26 and 3,792,853.66

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Solution

The fourth proportional to 12,428,707.94, 18,643,063.26 and 3,792,853.66 is: 5,689,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,428,707.94 : 18,643,063.26 = 3,792,853.66 : x
  2. Step 2: Convert to fraction form
    12,428,707.94/18,643,063.26 = 3,792,853.66/x
  3. Step 3: Cross multiply
    12,428,707.94x = 18,643,063.26 × 3,792,853.66
  4. Step 4: Simplify right side
    12,428,707.94x = 70,710,410,719,302.55
  5. Step 5: Solve for x
    x = 70,710,410,719,302.55/12,428,707.94
  6. Step 6: Final answer
    x = 5,689,280.90

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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.