Home / 18,381,852.15-27,572,778.23-4,918,680.15

Finding the Fourth Proportional to 18,381,852.15, 27,572,778.23 and 4,918,680.15

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Solution

The fourth proportional to 18,381,852.15, 27,572,778.23 and 4,918,680.15 is: 7,378,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,381,852.15 : 27,572,778.23 = 4,918,680.15 : x
  2. Step 2: Convert to fraction form
    18,381,852.15/27,572,778.23 = 4,918,680.15/x
  3. Step 3: Cross multiply
    18,381,852.15x = 27,572,778.23 × 4,918,680.15
  4. Step 4: Simplify right side
    18,381,852.15x = 135,621,676,935,659.75
  5. Step 5: Solve for x
    x = 135,621,676,935,659.75/18,381,852.15
  6. Step 6: Final answer
    x = 7,378,020.23

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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.