Home / 18,217,098.72-27,324,714.96-5,437,709.28

Finding the Fourth Proportional to 18,217,098.72, 27,324,714.96 and 5,437,709.28

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Solution

The fourth proportional to 18,217,098.72, 27,324,714.96 and 5,437,709.28 is: 8,156,285.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217,098.72 : 27,324,714.96 = 5,437,709.28 : x
  2. Step 2: Convert to fraction form
    18,217,098.72/27,324,714.96 = 5,437,709.28/x
  3. Step 3: Cross multiply
    18,217,098.72x = 27,324,714.96 × 5,437,709.28
  4. Step 4: Simplify right side
    18,217,098.72x = 148,583,856,111,346.84
  5. Step 5: Solve for x
    x = 148,583,856,111,346.84/18,217,098.72
  6. Step 6: Final answer
    x = 8,156,285.39

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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.