Home / 10,307,370.36-15,455,757.54-5,452,287.78

Finding the Fourth Proportional to 10,307,370.36, 15,455,757.54 and 5,452,287.78

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Solution

The fourth proportional to 10,307,370.36, 15,455,757.54 and 5,452,287.78 is: 8,175,629.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307,370.36 : 15,455,757.54 = 5,452,287.78 : x
  2. Step 2: Convert to fraction form
    10,307,370.36/15,455,757.54 = 5,452,287.78/x
  3. Step 3: Cross multiply
    10,307,370.36x = 15,455,757.54 × 5,452,287.78
  4. Step 4: Simplify right side
    10,307,370.36x = 84,269,237,965,984.86
  5. Step 5: Solve for x
    x = 84,269,237,965,984.86/10,307,370.36
  6. Step 6: Final answer
    x = 8,175,629.19

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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.