Home / 18,191,704.90-27,287,557.35-7,403,452.60

Finding the Fourth Proportional to 18,191,704.90, 27,287,557.35 and 7,403,452.60

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Solution

The fourth proportional to 18,191,704.90, 27,287,557.35 and 7,403,452.60 is: 11,105,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191,704.90 : 27,287,557.35 = 7,403,452.60 : x
  2. Step 2: Convert to fraction form
    18,191,704.90/27,287,557.35 = 7,403,452.60/x
  3. Step 3: Cross multiply
    18,191,704.90x = 27,287,557.35 × 7,403,452.60
  4. Step 4: Simplify right side
    18,191,704.90x = 202,022,137,410,506.62
  5. Step 5: Solve for x
    x = 202,022,137,410,506.62/18,191,704.90
  6. Step 6: Final answer
    x = 11,105,178.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.