Home / 38,998,247.75-53,816,924.40-21,594,219.30

Finding the Fourth Proportional to 38,998,247.75, 53,816,924.40 and 21,594,219.30

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Solution

The fourth proportional to 38,998,247.75, 53,816,924.40 and 21,594,219.30 is: 29,799,658.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,998,247.75 : 53,816,924.40 = 21,594,219.30 : x
  2. Step 2: Convert to fraction form
    38,998,247.75/53,816,924.40 = 21,594,219.30/x
  3. Step 3: Cross multiply
    38,998,247.75x = 53,816,924.40 × 21,594,219.30
  4. Step 4: Simplify right side
    38,998,247.75x = 1,162,134,467,524,908.75
  5. Step 5: Solve for x
    x = 1,162,134,467,524,908.75/38,998,247.75
  6. Step 6: Final answer
    x = 29,799,658.56

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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.