Home / 13,108,967.97-18,091,452.69-7,229,751.98

Finding the Fourth Proportional to 13,108,967.97, 18,091,452.69 and 7,229,751.98

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Solution

The fourth proportional to 13,108,967.97, 18,091,452.69 and 7,229,751.98 is: 9,977,651.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108,967.97 : 18,091,452.69 = 7,229,751.98 : x
  2. Step 2: Convert to fraction form
    13,108,967.97/18,091,452.69 = 7,229,751.98/x
  3. Step 3: Cross multiply
    13,108,967.97x = 18,091,452.69 × 7,229,751.98
  4. Step 4: Simplify right side
    13,108,967.97x = 130,796,715,816,146.56
  5. Step 5: Solve for x
    x = 130,796,715,816,146.56/13,108,967.97
  6. Step 6: Final answer
    x = 9,977,651.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.