Home / 7,690,100.42-10,612,128.62-4,252,223.90

Finding the Fourth Proportional to 7,690,100.42, 10,612,128.62 and 4,252,223.90

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Solution

The fourth proportional to 7,690,100.42, 10,612,128.62 and 4,252,223.90 is: 5,867,952.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690,100.42 : 10,612,128.62 = 4,252,223.90 : x
  2. Step 2: Convert to fraction form
    7,690,100.42/10,612,128.62 = 4,252,223.90/x
  3. Step 3: Cross multiply
    7,690,100.42x = 10,612,128.62 × 4,252,223.90
  4. Step 4: Simplify right side
    7,690,100.42x = 45,125,146,873,516.25
  5. Step 5: Solve for x
    x = 45,125,146,873,516.25/7,690,100.42
  6. Step 6: Final answer
    x = 5,867,952.88

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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.