Home / 30,661,801.56-45,992,700.72-7,942,698

Finding the Fourth Proportional to 30,661,801.56, 45,992,700.72 and 7,942,698

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Solution

The fourth proportional to 30,661,801.56, 45,992,700.72 and 7,942,698 is: 11,914,046.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,661,801.56 : 45,992,700.72 = 7,942,698 : x
  2. Step 2: Convert to fraction form
    30,661,801.56/45,992,700.72 = 7,942,698/x
  3. Step 3: Cross multiply
    30,661,801.56x = 45,992,700.72 × 7,942,698
  4. Step 4: Simplify right side
    30,661,801.56x = 365,306,132,023,342.56
  5. Step 5: Solve for x
    x = 365,306,132,023,342.56/30,661,801.56
  6. Step 6: Final answer
    x = 11,914,046.58

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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.