Home / 20,028,342.72-27,639,120.28-10,860,983.04

Finding the Fourth Proportional to 20,028,342.72, 27,639,120.28 and 10,860,983.04

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Solution

The fourth proportional to 20,028,342.72, 27,639,120.28 and 10,860,983.04 is: 14,988,160.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,028,342.72 : 27,639,120.28 = 10,860,983.04 : x
  2. Step 2: Convert to fraction form
    20,028,342.72/27,639,120.28 = 10,860,983.04/x
  3. Step 3: Cross multiply
    20,028,342.72x = 27,639,120.28 × 10,860,983.04
  4. Step 4: Simplify right side
    20,028,342.72x = 300,188,016,601,600.06
  5. Step 5: Solve for x
    x = 300,188,016,601,600.06/20,028,342.72
  6. Step 6: Final answer
    x = 14,988,160.57

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1.5x scale

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.