Home / 7,913,005.89-11,867,847.75-2,231,901.60

Finding the Fourth Proportional to 7,913,005.89, 11,867,847.75 and 2,231,901.60

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Solution

The fourth proportional to 7,913,005.89, 11,867,847.75 and 2,231,901.60 is: 3,347,383.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913,005.89 : 11,867,847.75 = 2,231,901.60 : x
  2. Step 2: Convert to fraction form
    7,913,005.89/11,867,847.75 = 2,231,901.60/x
  3. Step 3: Cross multiply
    7,913,005.89x = 11,867,847.75 × 2,231,901.60
  4. Step 4: Simplify right side
    7,913,005.89x = 26,487,868,381,781.40
  5. Step 5: Solve for x
    x = 26,487,868,381,781.40/7,913,005.89
  6. Step 6: Final answer
    x = 3,347,383.88

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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.