Home / 31,796,665.20-47,701,218.60-13,600,825.20

Finding the Fourth Proportional to 31,796,665.20, 47,701,218.60 and 13,600,825.20

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Solution

The fourth proportional to 31,796,665.20, 47,701,218.60 and 13,600,825.20 is: 20,403,898.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,796,665.20 : 47,701,218.60 = 13,600,825.20 : x
  2. Step 2: Convert to fraction form
    31,796,665.20/47,701,218.60 = 13,600,825.20/x
  3. Step 3: Cross multiply
    31,796,665.20x = 47,701,218.60 × 13,600,825.20
  4. Step 4: Simplify right side
    31,796,665.20x = 648,775,936,005,588.75
  5. Step 5: Solve for x
    x = 648,775,936,005,588.75/31,796,665.20
  6. Step 6: Final answer
    x = 20,403,898.71

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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.