Home / 38,239,172.12-52,769,393.12-20,835,660.35

Finding the Fourth Proportional to 38,239,172.12, 52,769,393.12 and 20,835,660.35

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Solution

The fourth proportional to 38,239,172.12, 52,769,393.12 and 20,835,660.35 is: 28,752,849.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,239,172.12 : 52,769,393.12 = 20,835,660.35 : x
  2. Step 2: Convert to fraction form
    38,239,172.12/52,769,393.12 = 20,835,660.35/x
  3. Step 3: Cross multiply
    38,239,172.12x = 52,769,393.12 × 20,835,660.35
  4. Step 4: Simplify right side
    38,239,172.12x = 1,099,485,151,819,768.62
  5. Step 5: Solve for x
    x = 1,099,485,151,819,768.62/38,239,172.12
  6. Step 6: Final answer
    x = 28,752,849.26

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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.