Home / 12,822,309.60-19,202,932.67-7,419,573.96

Finding the Fourth Proportional to 12,822,309.60, 19,202,932.67 and 7,419,573.96

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Solution

The fourth proportional to 12,822,309.60, 19,202,932.67 and 7,419,573.96 is: 11,111,693.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,822,309.60 : 19,202,932.67 = 7,419,573.96 : x
  2. Step 2: Convert to fraction form
    12,822,309.60/19,202,932.67 = 7,419,573.96/x
  3. Step 3: Cross multiply
    12,822,309.60x = 19,202,932.67 × 7,419,573.96
  4. Step 4: Simplify right side
    12,822,309.60x = 142,477,579,156,867.41
  5. Step 5: Solve for x
    x = 142,477,579,156,867.41/12,822,309.60
  6. Step 6: Final answer
    x = 11,111,693.88

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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.