Home / 16,115,556.80-24,166,336.80-5,328,689.60

Finding the Fourth Proportional to 16,115,556.80, 24,166,336.80 and 5,328,689.60

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Solution

The fourth proportional to 16,115,556.80, 24,166,336.80 and 5,328,689.60 is: 7,990,720.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,115,556.80 : 24,166,336.80 = 5,328,689.60 : x
  2. Step 2: Convert to fraction form
    16,115,556.80/24,166,336.80 = 5,328,689.60/x
  3. Step 3: Cross multiply
    16,115,556.80x = 24,166,336.80 × 5,328,689.60
  4. Step 4: Simplify right side
    16,115,556.80x = 128,774,907,576,257.28
  5. Step 5: Solve for x
    x = 128,774,907,576,257.28/16,115,556.80
  6. Step 6: Final answer
    x = 7,990,720.34

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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.