Home / 20,102,422,839.89-27,740,448,666.77-11,522,698,659.86

Finding the Fourth Proportional to 20,102,422,839.89, 27,740,448,666.77 and 11,522,698,659.86

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Solution

The fourth proportional to 20,102,422,839.89, 27,740,448,666.77 and 11,522,698,659.86 is: 15,900,811,221.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,102,422,839.89 : 27,740,448,666.77 = 11,522,698,659.86 : x
  2. Step 2: Convert to fraction form
    20,102,422,839.89/27,740,448,666.77 = 11,522,698,659.86/x
  3. Step 3: Cross multiply
    20,102,422,839.89x = 27,740,448,666.77 × 11,522,698,659.86
  4. Step 4: Simplify right side
    20,102,422,839.89x = 319,644,830,676,309,442,560
  5. Step 5: Solve for x
    x = 319,644,830,676,309,442,560/20,102,422,839.89
  6. Step 6: Final answer
    x = 15,900,811,221.73

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1.5x scale

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.