Home / 21,248,793.60-31,873,190.40-6,873,314.55

Finding the Fourth Proportional to 21,248,793.60, 31,873,190.40 and 6,873,314.55

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Solution

The fourth proportional to 21,248,793.60, 31,873,190.40 and 6,873,314.55 is: 10,309,971.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,248,793.60 : 31,873,190.40 = 6,873,314.55 : x
  2. Step 2: Convert to fraction form
    21,248,793.60/31,873,190.40 = 6,873,314.55/x
  3. Step 3: Cross multiply
    21,248,793.60x = 31,873,190.40 × 6,873,314.55
  4. Step 4: Simplify right side
    21,248,793.60x = 219,074,463,331,240.31
  5. Step 5: Solve for x
    x = 219,074,463,331,240.31/21,248,793.60
  6. Step 6: Final answer
    x = 10,309,971.83

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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.