Home / 11,902,695.80-16,410,514.75-7,708,972.64

Finding the Fourth Proportional to 11,902,695.80, 16,410,514.75 and 7,708,972.64

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Solution

The fourth proportional to 11,902,695.80, 16,410,514.75 and 7,708,972.64 is: 10,628,534.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,902,695.80 : 16,410,514.75 = 7,708,972.64 : x
  2. Step 2: Convert to fraction form
    11,902,695.80/16,410,514.75 = 7,708,972.64/x
  3. Step 3: Cross multiply
    11,902,695.80x = 16,410,514.75 × 7,708,972.64
  4. Step 4: Simplify right side
    11,902,695.80x = 126,508,209,114,741.44
  5. Step 5: Solve for x
    x = 126,508,209,114,741.44/11,902,695.80
  6. Step 6: Final answer
    x = 10,628,534.18

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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.