Home / 21,751,514.82-30,014,764.65-12,582,444.42

Finding the Fourth Proportional to 21,751,514.82, 30,014,764.65 and 12,582,444.42

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Solution

The fourth proportional to 21,751,514.82, 30,014,764.65 and 12,582,444.42 is: 17,362,427.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751,514.82 : 30,014,764.65 = 12,582,444.42 : x
  2. Step 2: Convert to fraction form
    21,751,514.82/30,014,764.65 = 12,582,444.42/x
  3. Step 3: Cross multiply
    21,751,514.82x = 30,014,764.65 × 12,582,444.42
  4. Step 4: Simplify right side
    21,751,514.82x = 377,659,107,988,005.75
  5. Step 5: Solve for x
    x = 377,659,107,988,005.75/21,751,514.82
  6. Step 6: Final answer
    x = 17,362,427.91

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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.