Home / 30,503,769.68-45,755,615.88-7,784,667.44

Finding the Fourth Proportional to 30,503,769.68, 45,755,615.88 and 7,784,667.44

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Solution

The fourth proportional to 30,503,769.68, 45,755,615.88 and 7,784,667.44 is: 11,676,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,503,769.68 : 45,755,615.88 = 7,784,667.44 : x
  2. Step 2: Convert to fraction form
    30,503,769.68/45,755,615.88 = 7,784,667.44/x
  3. Step 3: Cross multiply
    30,503,769.68x = 45,755,615.88 × 7,784,667.44
  4. Step 4: Simplify right side
    30,503,769.68x = 356,192,253,138,183
  5. Step 5: Solve for x
    x = 356,192,253,138,183/30,503,769.68
  6. Step 6: Final answer
    x = 11,676,991.30

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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.