Home / 18,489,018.30-27,710,812.08-10,384,958.58

Finding the Fourth Proportional to 18,489,018.30, 27,710,812.08 and 10,384,958.58

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Solution

The fourth proportional to 18,489,018.30, 27,710,812.08 and 10,384,958.58 is: 15,564,679.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,489,018.30 : 27,710,812.08 = 10,384,958.58 : x
  2. Step 2: Convert to fraction form
    18,489,018.30/27,710,812.08 = 10,384,958.58/x
  3. Step 3: Cross multiply
    18,489,018.30x = 27,710,812.08 × 10,384,958.58
  4. Step 4: Simplify right side
    18,489,018.30x = 287,775,635,668,963.62
  5. Step 5: Solve for x
    x = 287,775,635,668,963.62/18,489,018.30
  6. Step 6: Final answer
    x = 15,564,679.04

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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.