Home / 38,776,878.04-58,115,861.68-20,589,786.04

Finding the Fourth Proportional to 38,776,878.04, 58,115,861.68 and 20,589,786.04

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Solution

The fourth proportional to 38,776,878.04, 58,115,861.68 and 20,589,786.04 is: 30,858,419.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,776,878.04 : 58,115,861.68 = 20,589,786.04 : x
  2. Step 2: Convert to fraction form
    38,776,878.04/58,115,861.68 = 20,589,786.04/x
  3. Step 3: Cross multiply
    38,776,878.04x = 58,115,861.68 × 20,589,786.04
  4. Step 4: Simplify right side
    38,776,878.04x = 1,196,593,157,521,435
  5. Step 5: Solve for x
    x = 1,196,593,157,521,435/38,776,878.04
  6. Step 6: Final answer
    x = 30,858,419.19

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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.