Home / 18,380,998.70-27,572,534.85-5,601,920.30

Finding the Fourth Proportional to 18,380,998.70, 27,572,534.85 and 5,601,920.30

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Solution

The fourth proportional to 18,380,998.70, 27,572,534.85 and 5,601,920.30 is: 8,403,196.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380,998.70 : 27,572,534.85 = 5,601,920.30 : x
  2. Step 2: Convert to fraction form
    18,380,998.70/27,572,534.85 = 5,601,920.30/x
  3. Step 3: Cross multiply
    18,380,998.70x = 27,572,534.85 × 5,601,920.30
  4. Step 4: Simplify right side
    18,380,998.70x = 154,459,142,698,672.47
  5. Step 5: Solve for x
    x = 154,459,142,698,672.47/18,380,998.70
  6. Step 6: Final answer
    x = 8,403,196.43

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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.