Home / 18,381,857.40-27,572,786.10-4,918,685.40

Finding the Fourth Proportional to 18,381,857.40, 27,572,786.10 and 4,918,685.40

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Solution

The fourth proportional to 18,381,857.40, 27,572,786.10 and 4,918,685.40 is: 7,378,028.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,381,857.40 : 27,572,786.10 = 4,918,685.40 : x
  2. Step 2: Convert to fraction form
    18,381,857.40/27,572,786.10 = 4,918,685.40/x
  3. Step 3: Cross multiply
    18,381,857.40x = 27,572,786.10 × 4,918,685.40
  4. Step 4: Simplify right side
    18,381,857.40x = 135,621,860,427,392.95
  5. Step 5: Solve for x
    x = 135,621,860,427,392.95/18,381,857.40
  6. Step 6: Final answer
    x = 7,378,028.10

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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.