Home / 15,322,008.25-21,144,514.01-8,446,736.35

Finding the Fourth Proportional to 15,322,008.25, 21,144,514.01 and 8,446,736.35

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Solution

The fourth proportional to 15,322,008.25, 21,144,514.01 and 8,446,736.35 is: 11,656,574.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,322,008.25 : 21,144,514.01 = 8,446,736.35 : x
  2. Step 2: Convert to fraction form
    15,322,008.25/21,144,514.01 = 8,446,736.35/x
  3. Step 3: Cross multiply
    15,322,008.25x = 21,144,514.01 × 8,446,736.35
  4. Step 4: Simplify right side
    15,322,008.25x = 178,602,134,980,362.56
  5. Step 5: Solve for x
    x = 178,602,134,980,362.56/15,322,008.25
  6. Step 6: Final answer
    x = 11,656,574.79

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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.