Home / 28,975,975.11-39,970,195.07-18,092,063.43

Finding the Fourth Proportional to 28,975,975.11, 39,970,195.07 and 18,092,063.43

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Solution

The fourth proportional to 28,975,975.11, 39,970,195.07 and 18,092,063.43 is: 24,956,651.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975,975.11 : 39,970,195.07 = 18,092,063.43 : x
  2. Step 2: Convert to fraction form
    28,975,975.11/39,970,195.07 = 18,092,063.43/x
  3. Step 3: Cross multiply
    28,975,975.11x = 39,970,195.07 × 18,092,063.43
  4. Step 4: Simplify right side
    28,975,975.11x = 723,143,304,425,452.88
  5. Step 5: Solve for x
    x = 723,143,304,425,452.88/28,975,975.11
  6. Step 6: Final answer
    x = 24,956,651.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.