Home / 13,104,080.80-19,656,121.20-6,726,788.80

Finding the Fourth Proportional to 13,104,080.80, 19,656,121.20 and 6,726,788.80

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Solution

The fourth proportional to 13,104,080.80, 19,656,121.20 and 6,726,788.80 is: 10,090,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104,080.80 : 19,656,121.20 = 6,726,788.80 : x
  2. Step 2: Convert to fraction form
    13,104,080.80/19,656,121.20 = 6,726,788.80/x
  3. Step 3: Cross multiply
    13,104,080.80x = 19,656,121.20 × 6,726,788.80
  4. Step 4: Simplify right side
    13,104,080.80x = 132,222,575,939,602.55
  5. Step 5: Solve for x
    x = 132,222,575,939,602.55/13,104,080.80
  6. Step 6: Final answer
    x = 10,090,183.20

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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.