Home / 13,108,970.97-18,091,456.83-7,229,754.98

Finding the Fourth Proportional to 13,108,970.97, 18,091,456.83 and 7,229,754.98

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Solution

The fourth proportional to 13,108,970.97, 18,091,456.83 and 7,229,754.98 is: 9,977,655.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108,970.97 : 18,091,456.83 = 7,229,754.98 : x
  2. Step 2: Convert to fraction form
    13,108,970.97/18,091,456.83 = 7,229,754.98/x
  3. Step 3: Cross multiply
    13,108,970.97x = 18,091,456.83 × 7,229,754.98
  4. Step 4: Simplify right side
    13,108,970.97x = 130,796,800,021,690.20
  5. Step 5: Solve for x
    x = 130,796,800,021,690.20/13,108,970.97
  6. Step 6: Final answer
    x = 9,977,655.78

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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.