Home / 31,504,451.78-47,256,678.06-7,569,923.78

Finding the Fourth Proportional to 31,504,451.78, 47,256,678.06 and 7,569,923.78

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Solution

The fourth proportional to 31,504,451.78, 47,256,678.06 and 7,569,923.78 is: 11,354,885.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504,451.78 : 47,256,678.06 = 7,569,923.78 : x
  2. Step 2: Convert to fraction form
    31,504,451.78/47,256,678.06 = 7,569,923.78/x
  3. Step 3: Cross multiply
    31,504,451.78x = 47,256,678.06 × 7,569,923.78
  4. Step 4: Simplify right side
    31,504,451.78x = 357,729,451,010,198.31
  5. Step 5: Solve for x
    x = 357,729,451,010,198.31/31,504,451.78
  6. Step 6: Final answer
    x = 11,354,885.76

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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.