Home / 18,145,498.05-27,218,247.08-12,098,880.45

Finding the Fourth Proportional to 18,145,498.05, 27,218,247.08 and 12,098,880.45

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Solution

The fourth proportional to 18,145,498.05, 27,218,247.08 and 12,098,880.45 is: 18,148,320.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,498.05 : 27,218,247.08 = 12,098,880.45 : x
  2. Step 2: Convert to fraction form
    18,145,498.05/27,218,247.08 = 12,098,880.45/x
  3. Step 3: Cross multiply
    18,145,498.05x = 27,218,247.08 × 12,098,880.45
  4. Step 4: Simplify right side
    18,145,498.05x = 329,310,317,418,987.12
  5. Step 5: Solve for x
    x = 329,310,317,418,987.12/18,145,498.05
  6. Step 6: Final answer
    x = 18,148,320.68

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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.