Home / 18,443,743.10-27,665,614.65-8,856,809.90

Finding the Fourth Proportional to 18,443,743.10, 27,665,614.65 and 8,856,809.90

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Solution

The fourth proportional to 18,443,743.10, 27,665,614.65 and 8,856,809.90 is: 13,285,214.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443,743.10 : 27,665,614.65 = 8,856,809.90 : x
  2. Step 2: Convert to fraction form
    18,443,743.10/27,665,614.65 = 8,856,809.90/x
  3. Step 3: Cross multiply
    18,443,743.10x = 27,665,614.65 × 8,856,809.90
  4. Step 4: Simplify right side
    18,443,743.10x = 245,029,089,721,705.03
  5. Step 5: Solve for x
    x = 245,029,089,721,705.03/18,443,743.10
  6. Step 6: Final answer
    x = 13,285,214.85

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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.