Home / 36,219,961.60-54,332,566.80-21,812,005.60

Finding the Fourth Proportional to 36,219,961.60, 54,332,566.80 and 21,812,005.60

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Solution

The fourth proportional to 36,219,961.60, 54,332,566.80 and 21,812,005.60 is: 32,719,588.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,219,961.60 : 54,332,566.80 = 21,812,005.60 : x
  2. Step 2: Convert to fraction form
    36,219,961.60/54,332,566.80 = 21,812,005.60/x
  3. Step 3: Cross multiply
    36,219,961.60x = 54,332,566.80 × 21,812,005.60
  4. Step 4: Simplify right side
    36,219,961.60x = 1,185,102,251,303,974
  5. Step 5: Solve for x
    x = 1,185,102,251,303,974/36,219,961.60
  6. Step 6: Final answer
    x = 32,719,588.84

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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.