Home / 13,781,736.89-20,671,027.96-3,685,145.21

Finding the Fourth Proportional to 13,781,736.89, 20,671,027.96 and 3,685,145.21

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Solution

The fourth proportional to 13,781,736.89, 20,671,027.96 and 3,685,145.21 is: 5,527,296.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,781,736.89 : 20,671,027.96 = 3,685,145.21 : x
  2. Step 2: Convert to fraction form
    13,781,736.89/20,671,027.96 = 3,685,145.21/x
  3. Step 3: Cross multiply
    13,781,736.89x = 20,671,027.96 × 3,685,145.21
  4. Step 4: Simplify right side
    13,781,736.89x = 76,175,739,672,570.08
  5. Step 5: Solve for x
    x = 76,175,739,672,570.08/13,781,736.89
  6. Step 6: Final answer
    x = 5,527,296.04

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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.