Home / 6,322,915.20-9,456,379.20-5,315,145.60

Finding the Fourth Proportional to 6,322,915.20, 9,456,379.20 and 5,315,145.60

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Solution

The fourth proportional to 6,322,915.20, 9,456,379.20 and 5,315,145.60 is: 7,949,186.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,322,915.20 : 9,456,379.20 = 5,315,145.60 : x
  2. Step 2: Convert to fraction form
    6,322,915.20/9,456,379.20 = 5,315,145.60/x
  3. Step 3: Cross multiply
    6,322,915.20x = 9,456,379.20 × 5,315,145.60
  4. Step 4: Simplify right side
    6,322,915.20x = 50,262,032,296,811.52
  5. Step 5: Solve for x
    x = 50,262,032,296,811.52/6,322,915.20
  6. Step 6: Final answer
    x = 7,949,186.52

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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.