Home / 18,638,487.06-27,944,740.35-8,258,063.83

Finding the Fourth Proportional to 18,638,487.06, 27,944,740.35 and 8,258,063.83

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Solution

The fourth proportional to 18,638,487.06, 27,944,740.35 and 8,258,063.83 is: 12,381,340.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,638,487.06 : 27,944,740.35 = 8,258,063.83 : x
  2. Step 2: Convert to fraction form
    18,638,487.06/27,944,740.35 = 8,258,063.83/x
  3. Step 3: Cross multiply
    18,638,487.06x = 27,944,740.35 × 8,258,063.83
  4. Step 4: Simplify right side
    18,638,487.06x = 230,769,449,453,214.69
  5. Step 5: Solve for x
    x = 230,769,449,453,214.69/18,638,487.06
  6. Step 6: Final answer
    x = 12,381,340.22

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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.