Home / 8,889,945.80-13,334,918.70-2,906,918.60

Finding the Fourth Proportional to 8,889,945.80, 13,334,918.70 and 2,906,918.60

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Solution

The fourth proportional to 8,889,945.80, 13,334,918.70 and 2,906,918.60 is: 4,360,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,945.80 : 13,334,918.70 = 2,906,918.60 : x
  2. Step 2: Convert to fraction form
    8,889,945.80/13,334,918.70 = 2,906,918.60/x
  3. Step 3: Cross multiply
    8,889,945.80x = 13,334,918.70 × 2,906,918.60
  4. Step 4: Simplify right side
    8,889,945.80x = 38,763,523,198,517.82
  5. Step 5: Solve for x
    x = 38,763,523,198,517.82/8,889,945.80
  6. Step 6: Final answer
    x = 4,360,377.90

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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.