Home / 8,270,394-12,405,593.73-3,412,629.60

Finding the Fourth Proportional to 8,270,394, 12,405,593.73 and 3,412,629.60

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Solution

The fourth proportional to 8,270,394, 12,405,593.73 and 3,412,629.60 is: 5,118,945.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270,394 : 12,405,593.73 = 3,412,629.60 : x
  2. Step 2: Convert to fraction form
    8,270,394/12,405,593.73 = 3,412,629.60/x
  3. Step 3: Cross multiply
    8,270,394x = 12,405,593.73 × 3,412,629.60
  4. Step 4: Simplify right side
    8,270,394x = 42,335,696,368,572.41
  5. Step 5: Solve for x
    x = 42,335,696,368,572.41/8,270,394
  6. Step 6: Final answer
    x = 5,118,945.53

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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.