Home / 33,207,928.40-49,811,892.60-21,861,189.20

Finding the Fourth Proportional to 33,207,928.40, 49,811,892.60 and 21,861,189.20

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Solution

The fourth proportional to 33,207,928.40, 49,811,892.60 and 21,861,189.20 is: 32,791,783.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,207,928.40 : 49,811,892.60 = 21,861,189.20 : x
  2. Step 2: Convert to fraction form
    33,207,928.40/49,811,892.60 = 21,861,189.20/x
  3. Step 3: Cross multiply
    33,207,928.40x = 49,811,892.60 × 21,861,189.20
  4. Step 4: Simplify right side
    33,207,928.40x = 1,088,947,208,538,679.88
  5. Step 5: Solve for x
    x = 1,088,947,208,538,679.88/33,207,928.40
  6. Step 6: Final answer
    x = 32,791,783.80

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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.