Home / 30,891,770.91-42,629,683.51-16,952,767.69

Finding the Fourth Proportional to 30,891,770.91, 42,629,683.51 and 16,952,767.69

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Solution

The fourth proportional to 30,891,770.91, 42,629,683.51 and 16,952,767.69 is: 23,394,292.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,891,770.91 : 42,629,683.51 = 16,952,767.69 : x
  2. Step 2: Convert to fraction form
    30,891,770.91/42,629,683.51 = 16,952,767.69/x
  3. Step 3: Cross multiply
    30,891,770.91x = 42,629,683.51 × 16,952,767.69
  4. Step 4: Simplify right side
    30,891,770.91x = 722,691,121,157,870.50
  5. Step 5: Solve for x
    x = 722,691,121,157,870.50/30,891,770.91
  6. Step 6: Final answer
    x = 23,394,292.39

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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.