Home / 38,285,712.56-52,834,912.92-20,882,057.52

Finding the Fourth Proportional to 38,285,712.56, 52,834,912.92 and 20,882,057.52

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Solution

The fourth proportional to 38,285,712.56, 52,834,912.92 and 20,882,057.52 is: 28,817,582.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,285,712.56 : 52,834,912.92 = 20,882,057.52 : x
  2. Step 2: Convert to fraction form
    38,285,712.56/52,834,912.92 = 20,882,057.52/x
  3. Step 3: Cross multiply
    38,285,712.56x = 52,834,912.92 × 20,882,057.52
  4. Step 4: Simplify right side
    38,285,712.56x = 1,103,301,690,659,631.12
  5. Step 5: Solve for x
    x = 1,103,301,690,659,631.12/38,285,712.56
  6. Step 6: Final answer
    x = 28,817,582.77

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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.