Home / 30,891,771.42-42,629,684.20-16,952,768.19

Finding the Fourth Proportional to 30,891,771.42, 42,629,684.20 and 16,952,768.19

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Solution

The fourth proportional to 30,891,771.42, 42,629,684.20 and 16,952,768.19 is: 23,394,293.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,891,771.42 : 42,629,684.20 = 16,952,768.19 : x
  2. Step 2: Convert to fraction form
    30,891,771.42/42,629,684.20 = 16,952,768.19/x
  3. Step 3: Cross multiply
    30,891,771.42x = 42,629,684.20 × 16,952,768.19
  4. Step 4: Simplify right side
    30,891,771.42x = 722,691,154,255,505.75
  5. Step 5: Solve for x
    x = 722,691,154,255,505.75/30,891,771.42
  6. Step 6: Final answer
    x = 23,394,293.08

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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.