Home / 22,933,906.31-31,648,795.85-12,620,629.40

Finding the Fourth Proportional to 22,933,906.31, 31,648,795.85 and 12,620,629.40

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Solution

The fourth proportional to 22,933,906.31, 31,648,795.85 and 12,620,629.40 is: 17,416,471.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,933,906.31 : 31,648,795.85 = 12,620,629.40 : x
  2. Step 2: Convert to fraction form
    22,933,906.31/31,648,795.85 = 12,620,629.40/x
  3. Step 3: Cross multiply
    22,933,906.31x = 31,648,795.85 × 12,620,629.40
  4. Step 4: Simplify right side
    22,933,906.31x = 399,427,723,252,415.56
  5. Step 5: Solve for x
    x = 399,427,723,252,415.56/22,933,906.31
  6. Step 6: Final answer
    x = 17,416,471.39

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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.