Home / 13,621,116.56-20,425,663.89-3,903,524.15

Finding the Fourth Proportional to 13,621,116.56, 20,425,663.89 and 3,903,524.15

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Solution

The fourth proportional to 13,621,116.56, 20,425,663.89 and 3,903,524.15 is: 5,853,563.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,621,116.56 : 20,425,663.89 = 3,903,524.15 : x
  2. Step 2: Convert to fraction form
    13,621,116.56/20,425,663.89 = 3,903,524.15/x
  3. Step 3: Cross multiply
    13,621,116.56x = 20,425,663.89 × 3,903,524.15
  4. Step 4: Simplify right side
    13,621,116.56x = 79,732,072,172,269.62
  5. Step 5: Solve for x
    x = 79,732,072,172,269.62/13,621,116.56
  6. Step 6: Final answer
    x = 5,853,563.61

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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.