Home / 13,439,577.38-20,153,760.86-4,215,173.27

Finding the Fourth Proportional to 13,439,577.38, 20,153,760.86 and 4,215,173.27

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Solution

The fourth proportional to 13,439,577.38, 20,153,760.86 and 4,215,173.27 is: 6,321,001.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,439,577.38 : 20,153,760.86 = 4,215,173.27 : x
  2. Step 2: Convert to fraction form
    13,439,577.38/20,153,760.86 = 4,215,173.27/x
  3. Step 3: Cross multiply
    13,439,577.38x = 20,153,760.86 × 4,215,173.27
  4. Step 4: Simplify right side
    13,439,577.38x = 84,951,593,945,199.53
  5. Step 5: Solve for x
    x = 84,951,593,945,199.53/13,439,577.38
  6. Step 6: Final answer
    x = 6,321,001.89

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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.