Home / 18,677,166.57-27,958,289.29-12,186,265.43

Finding the Fourth Proportional to 18,677,166.57, 27,958,289.29 and 12,186,265.43

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Solution

The fourth proportional to 18,677,166.57, 27,958,289.29 and 12,186,265.43 is: 18,241,906.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677,166.57 : 27,958,289.29 = 12,186,265.43 : x
  2. Step 2: Convert to fraction form
    18,677,166.57/27,958,289.29 = 12,186,265.43/x
  3. Step 3: Cross multiply
    18,677,166.57x = 27,958,289.29 × 12,186,265.43
  4. Step 4: Simplify right side
    18,677,166.57x = 340,707,134,256,666.25
  5. Step 5: Solve for x
    x = 340,707,134,256,666.25/18,677,166.57
  6. Step 6: Final answer
    x = 18,241,906.93

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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.