Home / 13,083,382.29-18,035,706.27-8,373,258.61

Finding the Fourth Proportional to 13,083,382.29, 18,035,706.27 and 8,373,258.61

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Solution

The fourth proportional to 13,083,382.29, 18,035,706.27 and 8,373,258.61 is: 11,542,705.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083,382.29 : 18,035,706.27 = 8,373,258.61 : x
  2. Step 2: Convert to fraction form
    13,083,382.29/18,035,706.27 = 8,373,258.61/x
  3. Step 3: Cross multiply
    13,083,382.29x = 18,035,706.27 × 8,373,258.61
  4. Step 4: Simplify right side
    13,083,382.29x = 151,017,632,829,824.59
  5. Step 5: Solve for x
    x = 151,017,632,829,824.59/13,083,382.29
  6. Step 6: Final answer
    x = 11,542,705.82

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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.