Home / 13,621,652.38-20,432,553.81-3,386,512.18

Finding the Fourth Proportional to 13,621,652.38, 20,432,553.81 and 3,386,512.18

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Solution

The fourth proportional to 13,621,652.38, 20,432,553.81 and 3,386,512.18 is: 5,079,786.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,621,652.38 : 20,432,553.81 = 3,386,512.18 : x
  2. Step 2: Convert to fraction form
    13,621,652.38/20,432,553.81 = 3,386,512.18/x
  3. Step 3: Cross multiply
    13,621,652.38x = 20,432,553.81 × 3,386,512.18
  4. Step 4: Simplify right side
    13,621,652.38x = 69,195,092,346,070.41
  5. Step 5: Solve for x
    x = 69,195,092,346,070.41/13,621,652.38
  6. Step 6: Final answer
    x = 5,079,786.98

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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.