Home / 10,400,142.36-15,591,758.04-4,339,388.52

Finding the Fourth Proportional to 10,400,142.36, 15,591,758.04 and 4,339,388.52

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Solution

The fourth proportional to 10,400,142.36, 15,591,758.04 and 4,339,388.52 is: 6,505,554.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400,142.36 : 15,591,758.04 = 4,339,388.52 : x
  2. Step 2: Convert to fraction form
    10,400,142.36/15,591,758.04 = 4,339,388.52/x
  3. Step 3: Cross multiply
    10,400,142.36x = 15,591,758.04 × 4,339,388.52
  4. Step 4: Simplify right side
    10,400,142.36x = 67,658,695,845,393.69
  5. Step 5: Solve for x
    x = 67,658,695,845,393.69/10,400,142.36
  6. Step 6: Final answer
    x = 6,505,554.78

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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.