Home / 38,612,842.43-57,891,181.64-18,132,008.42

Finding the Fourth Proportional to 38,612,842.43, 57,891,181.64 and 18,132,008.42

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Solution

The fourth proportional to 38,612,842.43, 57,891,181.64 and 18,132,008.42 is: 27,184,825.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,612,842.43 : 57,891,181.64 = 18,132,008.42 : x
  2. Step 2: Convert to fraction form
    38,612,842.43/57,891,181.64 = 18,132,008.42/x
  3. Step 3: Cross multiply
    38,612,842.43x = 57,891,181.64 × 18,132,008.42
  4. Step 4: Simplify right side
    38,612,842.43x = 1,049,683,393,130,287.38
  5. Step 5: Solve for x
    x = 1,049,683,393,130,287.38/38,612,842.43
  6. Step 6: Final answer
    x = 27,184,825.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.