Home / 9,287,196.57-12,815,628.15-5,212,028.25

Finding the Fourth Proportional to 9,287,196.57, 12,815,628.15 and 5,212,028.25

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Solution

The fourth proportional to 9,287,196.57, 12,815,628.15 and 5,212,028.25 is: 7,192,204.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287,196.57 : 12,815,628.15 = 5,212,028.25 : x
  2. Step 2: Convert to fraction form
    9,287,196.57/12,815,628.15 = 5,212,028.25/x
  3. Step 3: Cross multiply
    9,287,196.57x = 12,815,628.15 × 5,212,028.25
  4. Step 4: Simplify right side
    9,287,196.57x = 66,795,415,959,295.24
  5. Step 5: Solve for x
    x = 66,795,415,959,295.24/9,287,196.57
  6. Step 6: Final answer
    x = 7,192,204.39

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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.