Home / 9,287,198.58-12,815,630.90-5,212,030.26

Finding the Fourth Proportional to 9,287,198.58, 12,815,630.90 and 5,212,030.26

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Solution

The fourth proportional to 9,287,198.58, 12,815,630.90 and 5,212,030.26 is: 7,192,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287,198.58 : 12,815,630.90 = 5,212,030.26 : x
  2. Step 2: Convert to fraction form
    9,287,198.58/12,815,630.90 = 5,212,030.26/x
  3. Step 3: Cross multiply
    9,287,198.58x = 12,815,630.90 × 5,212,030.26
  4. Step 4: Simplify right side
    9,287,198.58x = 66,795,456,051,791.03
  5. Step 5: Solve for x
    x = 66,795,456,051,791.03/9,287,198.58
  6. Step 6: Final answer
    x = 7,192,207.15

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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.