Home / 18,380,521.14-27,573,774.08-5,427,981.86

Finding the Fourth Proportional to 18,380,521.14, 27,573,774.08 and 5,427,981.86

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Solution

The fourth proportional to 18,380,521.14, 27,573,774.08 and 5,427,981.86 is: 8,142,856.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380,521.14 : 27,573,774.08 = 5,427,981.86 : x
  2. Step 2: Convert to fraction form
    18,380,521.14/27,573,774.08 = 5,427,981.86/x
  3. Step 3: Cross multiply
    18,380,521.14x = 27,573,774.08 × 5,427,981.86
  4. Step 4: Simplify right side
    18,380,521.14x = 149,669,945,352,969.41
  5. Step 5: Solve for x
    x = 149,669,945,352,969.41/18,380,521.14
  6. Step 6: Final answer
    x = 8,142,856.46

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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.