Home / 21,248,796.60-31,873,194.90-6,873,317.55

Finding the Fourth Proportional to 21,248,796.60, 31,873,194.90 and 6,873,317.55

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Solution

The fourth proportional to 21,248,796.60, 31,873,194.90 and 6,873,317.55 is: 10,309,976.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,248,796.60 : 31,873,194.90 = 6,873,317.55 : x
  2. Step 2: Convert to fraction form
    21,248,796.60/31,873,194.90 = 6,873,317.55/x
  3. Step 3: Cross multiply
    21,248,796.60x = 31,873,194.90 × 6,873,317.55
  4. Step 4: Simplify right side
    21,248,796.60x = 219,074,589,880,740.47
  5. Step 5: Solve for x
    x = 219,074,589,880,740.47/21,248,796.60
  6. Step 6: Final answer
    x = 10,309,976.33

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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.