Home / 30,647,633.87-42,294,028.33-16,897,091.15

Finding the Fourth Proportional to 30,647,633.87, 42,294,028.33 and 16,897,091.15

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Solution

The fourth proportional to 30,647,633.87, 42,294,028.33 and 16,897,091.15 is: 23,318,147.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,647,633.87 : 42,294,028.33 = 16,897,091.15 : x
  2. Step 2: Convert to fraction form
    30,647,633.87/42,294,028.33 = 16,897,091.15/x
  3. Step 3: Cross multiply
    30,647,633.87x = 42,294,028.33 × 16,897,091.15
  4. Step 4: Simplify right side
    30,647,633.87x = 714,646,051,919,548.62
  5. Step 5: Solve for x
    x = 714,646,051,919,548.62/30,647,633.87
  6. Step 6: Final answer
    x = 23,318,147.66

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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.