Home / 38,239,173.62-52,769,395.18-20,835,661.85

Finding the Fourth Proportional to 38,239,173.62, 52,769,395.18 and 20,835,661.85

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Solution

The fourth proportional to 38,239,173.62, 52,769,395.18 and 20,835,661.85 is: 28,752,851.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,239,173.62 : 52,769,395.18 = 20,835,661.85 : x
  2. Step 2: Convert to fraction form
    38,239,173.62/52,769,395.18 = 20,835,661.85/x
  3. Step 3: Cross multiply
    38,239,173.62x = 52,769,395.18 × 20,835,661.85
  4. Step 4: Simplify right side
    38,239,173.62x = 1,099,485,273,999,500
  5. Step 5: Solve for x
    x = 1,099,485,273,999,500/38,239,173.62
  6. Step 6: Final answer
    x = 28,752,851.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.