Home / 30,429,540.88-41,993,781.96-16,678,540.24

Finding the Fourth Proportional to 30,429,540.88, 41,993,781.96 and 16,678,540.24

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Solution

The fourth proportional to 30,429,540.88, 41,993,781.96 and 16,678,540.24 is: 23,016,942.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,429,540.88 : 41,993,781.96 = 16,678,540.24 : x
  2. Step 2: Convert to fraction form
    30,429,540.88/41,993,781.96 = 16,678,540.24/x
  3. Step 3: Cross multiply
    30,429,540.88x = 41,993,781.96 × 16,678,540.24
  4. Step 4: Simplify right side
    30,429,540.88x = 700,394,982,249,646.12
  5. Step 5: Solve for x
    x = 700,394,982,249,646.12/30,429,540.88
  6. Step 6: Final answer
    x = 23,016,942.16

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1.5x scale

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.