Home / 13,108,974.48-18,091,461.66-7,229,758.46

Finding the Fourth Proportional to 13,108,974.48, 18,091,461.66 and 7,229,758.46

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Solution

The fourth proportional to 13,108,974.48, 18,091,461.66 and 7,229,758.46 is: 9,977,660.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108,974.48 : 18,091,461.66 = 7,229,758.46 : x
  2. Step 2: Convert to fraction form
    13,108,974.48/18,091,461.66 = 7,229,758.46/x
  3. Step 3: Cross multiply
    13,108,974.48x = 18,091,461.66 × 7,229,758.46
  4. Step 4: Simplify right side
    13,108,974.48x = 130,796,897,990,150.64
  5. Step 5: Solve for x
    x = 130,796,897,990,150.64/13,108,974.48
  6. Step 6: Final answer
    x = 9,977,660.59

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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.