Home / 12,504,902.53-17,256,765.49-6,781,766.53

Finding the Fourth Proportional to 12,504,902.53, 17,256,765.49 and 6,781,766.53

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Solution

The fourth proportional to 12,504,902.53, 17,256,765.49 and 6,781,766.53 is: 9,358,837.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504,902.53 : 17,256,765.49 = 6,781,766.53 : x
  2. Step 2: Convert to fraction form
    12,504,902.53/17,256,765.49 = 6,781,766.53/x
  3. Step 3: Cross multiply
    12,504,902.53x = 17,256,765.49 × 6,781,766.53
  4. Step 4: Simplify right side
    12,504,902.53x = 117,031,354,658,905.02
  5. Step 5: Solve for x
    x = 117,031,354,658,905.02/12,504,902.53
  6. Step 6: Final answer
    x = 9,358,837.81

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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.