Home / 31,799,830.18-47,703,061.64-8,770,768.65

Finding the Fourth Proportional to 31,799,830.18, 47,703,061.64 and 8,770,768.65

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Solution

The fourth proportional to 31,799,830.18, 47,703,061.64 and 8,770,768.65 is: 13,157,067.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,799,830.18 : 47,703,061.64 = 8,770,768.65 : x
  2. Step 2: Convert to fraction form
    31,799,830.18/47,703,061.64 = 8,770,768.65/x
  3. Step 3: Cross multiply
    31,799,830.18x = 47,703,061.64 × 8,770,768.65
  4. Step 4: Simplify right side
    31,799,830.18x = 418,392,517,541,129.62
  5. Step 5: Solve for x
    x = 418,392,517,541,129.62/31,799,830.18
  6. Step 6: Final answer
    x = 13,157,067.67

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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.