Home / 11,965,398.60-16,512,025.84-7,318,842.31

Finding the Fourth Proportional to 11,965,398.60, 16,512,025.84 and 7,318,842.31

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Solution

The fourth proportional to 11,965,398.60, 16,512,025.84 and 7,318,842.31 is: 10,099,865.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,965,398.60 : 16,512,025.84 = 7,318,842.31 : x
  2. Step 2: Convert to fraction form
    11,965,398.60/16,512,025.84 = 7,318,842.31/x
  3. Step 3: Cross multiply
    11,965,398.60x = 16,512,025.84 × 7,318,842.31
  4. Step 4: Simplify right side
    11,965,398.60x = 120,848,913,341,605.28
  5. Step 5: Solve for x
    x = 120,848,913,341,605.28/11,965,398.60
  6. Step 6: Final answer
    x = 10,099,865.23

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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.