Home / 40,991,086.76-61,484,412.54-20,795,803.88

Finding the Fourth Proportional to 40,991,086.76, 61,484,412.54 and 20,795,803.88

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Solution

The fourth proportional to 40,991,086.76, 61,484,412.54 and 20,795,803.88 is: 31,192,580.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,991,086.76 : 61,484,412.54 = 20,795,803.88 : x
  2. Step 2: Convert to fraction form
    40,991,086.76/61,484,412.54 = 20,795,803.88/x
  3. Step 3: Cross multiply
    40,991,086.76x = 61,484,412.54 × 20,795,803.88
  4. Step 4: Simplify right side
    40,991,086.76x = 1,278,617,784,858,852.50
  5. Step 5: Solve for x
    x = 1,278,617,784,858,852.50/40,991,086.76
  6. Step 6: Final answer
    x = 31,192,580.78

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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.