Home / 31,984,538.67-47,976,769.09-10,419,105.15

Finding the Fourth Proportional to 31,984,538.67, 47,976,769.09 and 10,419,105.15

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Solution

The fourth proportional to 31,984,538.67, 47,976,769.09 and 10,419,105.15 is: 15,628,645.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,984,538.67 : 47,976,769.09 = 10,419,105.15 : x
  2. Step 2: Convert to fraction form
    31,984,538.67/47,976,769.09 = 10,419,105.15/x
  3. Step 3: Cross multiply
    31,984,538.67x = 47,976,769.09 × 10,419,105.15
  4. Step 4: Simplify right side
    31,984,538.67x = 499,875,001,905,979.88
  5. Step 5: Solve for x
    x = 499,875,001,905,979.88/31,984,538.67
  6. Step 6: Final answer
    x = 15,628,645.05

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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.