Home / 7,777,770.89-10,731,721.16-4,469,425.43

Finding the Fourth Proportional to 7,777,770.89, 10,731,721.16 and 4,469,425.43

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Solution

The fourth proportional to 7,777,770.89, 10,731,721.16 and 4,469,425.43 is: 6,166,886.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,770.89 : 10,731,721.16 = 4,469,425.43 : x
  2. Step 2: Convert to fraction form
    7,777,770.89/10,731,721.16 = 4,469,425.43/x
  3. Step 3: Cross multiply
    7,777,770.89x = 10,731,721.16 × 4,469,425.43
  4. Step 4: Simplify right side
    7,777,770.89x = 47,964,627,417,688.05
  5. Step 5: Solve for x
    x = 47,964,627,417,688.05/7,777,770.89
  6. Step 6: Final answer
    x = 6,166,886.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.