Home / 6,109,780.38-8,431,261.11-3,393,698.46

Finding the Fourth Proportional to 6,109,780.38, 8,431,261.11 and 3,393,698.46

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Solution

The fourth proportional to 6,109,780.38, 8,431,261.11 and 3,393,698.46 is: 4,683,172.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109,780.38 : 8,431,261.11 = 3,393,698.46 : x
  2. Step 2: Convert to fraction form
    6,109,780.38/8,431,261.11 = 3,393,698.46/x
  3. Step 3: Cross multiply
    6,109,780.38x = 8,431,261.11 × 3,393,698.46
  4. Step 4: Simplify right side
    6,109,780.38x = 28,613,157,844,864.89
  5. Step 5: Solve for x
    x = 28,613,157,844,864.89/6,109,780.38
  6. Step 6: Final answer
    x = 4,683,172.89

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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.