Home / 21,323,167.60-31,984,726.80-6,946,212.48

Finding the Fourth Proportional to 21,323,167.60, 31,984,726.80 and 6,946,212.48

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Solution

The fourth proportional to 21,323,167.60, 31,984,726.80 and 6,946,212.48 is: 10,419,310.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,323,167.60 : 31,984,726.80 = 6,946,212.48 : x
  2. Step 2: Convert to fraction form
    21,323,167.60/31,984,726.80 = 6,946,212.48/x
  3. Step 3: Cross multiply
    21,323,167.60x = 31,984,726.80 × 6,946,212.48
  4. Step 4: Simplify right side
    21,323,167.60x = 222,172,708,467,550.47
  5. Step 5: Solve for x
    x = 222,172,708,467,550.47/21,323,167.60
  6. Step 6: Final answer
    x = 10,419,310.71

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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.