Home / 18,677,171.42-27,958,296.51-12,186,270.24

Finding the Fourth Proportional to 18,677,171.42, 27,958,296.51 and 12,186,270.24

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Solution

The fourth proportional to 18,677,171.42, 27,958,296.51 and 12,186,270.24 is: 18,241,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677,171.42 : 27,958,296.51 = 12,186,270.24 : x
  2. Step 2: Convert to fraction form
    18,677,171.42/27,958,296.51 = 12,186,270.24/x
  3. Step 3: Cross multiply
    18,677,171.42x = 27,958,296.51 × 12,186,270.24
  4. Step 4: Simplify right side
    18,677,171.42x = 340,707,356,720,908.88
  5. Step 5: Solve for x
    x = 340,707,356,720,908.88/18,677,171.42
  6. Step 6: Final answer
    x = 18,241,914.10

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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.