Home / 31,614,771-47,422,273.14-7,680,243

Finding the Fourth Proportional to 31,614,771, 47,422,273.14 and 7,680,243

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Solution

The fourth proportional to 31,614,771, 47,422,273.14 and 7,680,243 is: 11,520,392.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,614,771 : 47,422,273.14 = 7,680,243 : x
  2. Step 2: Convert to fraction form
    31,614,771/47,422,273.14 = 7,680,243/x
  3. Step 3: Cross multiply
    31,614,771x = 47,422,273.14 × 7,680,243
  4. Step 4: Simplify right side
    31,614,771x = 364,214,581,327,573
  5. Step 5: Solve for x
    x = 364,214,581,327,573/31,614,771
  6. Step 6: Final answer
    x = 11,520,392.84

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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.