Home / 12,426,078.06-18,640,194.26-3,792,122.42

Finding the Fourth Proportional to 12,426,078.06, 18,640,194.26 and 3,792,122.42

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Solution

The fourth proportional to 12,426,078.06, 18,640,194.26 and 3,792,122.42 is: 5,688,512.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426,078.06 : 18,640,194.26 = 3,792,122.42 : x
  2. Step 2: Convert to fraction form
    12,426,078.06/18,640,194.26 = 3,792,122.42/x
  3. Step 3: Cross multiply
    12,426,078.06x = 18,640,194.26 × 3,792,122.42
  4. Step 4: Simplify right side
    12,426,078.06x = 70,685,898,454,339.72
  5. Step 5: Solve for x
    x = 70,685,898,454,339.72/12,426,078.06
  6. Step 6: Final answer
    x = 5,688,512.35

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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.