Home / 13,781,735.89-20,671,026.46-3,685,144.21

Finding the Fourth Proportional to 13,781,735.89, 20,671,026.46 and 3,685,144.21

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Solution

The fourth proportional to 13,781,735.89, 20,671,026.46 and 3,685,144.21 is: 5,527,294.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,781,735.89 : 20,671,026.46 = 3,685,144.21 : x
  2. Step 2: Convert to fraction form
    13,781,735.89/20,671,026.46 = 3,685,144.21/x
  3. Step 3: Cross multiply
    13,781,735.89x = 20,671,026.46 × 3,685,144.21
  4. Step 4: Simplify right side
    13,781,735.89x = 76,175,713,412,935.38
  5. Step 5: Solve for x
    x = 76,175,713,412,935.38/13,781,735.89
  6. Step 6: Final answer
    x = 5,527,294.53

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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.