Home / 15,902,486.30-21,944,832.39-9,717,874.46

Finding the Fourth Proportional to 15,902,486.30, 21,944,832.39 and 9,717,874.46

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Solution

The fourth proportional to 15,902,486.30, 21,944,832.39 and 9,717,874.46 is: 13,410,300.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,902,486.30 : 21,944,832.39 = 9,717,874.46 : x
  2. Step 2: Convert to fraction form
    15,902,486.30/21,944,832.39 = 9,717,874.46/x
  3. Step 3: Cross multiply
    15,902,486.30x = 21,944,832.39 × 9,717,874.46
  4. Step 4: Simplify right side
    15,902,486.30x = 213,257,126,211,761.78
  5. Step 5: Solve for x
    x = 213,257,126,211,761.78/15,902,486.30
  6. Step 6: Final answer
    x = 13,410,300.89

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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.