Home / 13,166,638.96-18,169,103.96-7,364,414.32

Finding the Fourth Proportional to 13,166,638.96, 18,169,103.96 and 7,364,414.32

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Solution

The fourth proportional to 13,166,638.96, 18,169,103.96 and 7,364,414.32 is: 10,162,411.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166,638.96 : 18,169,103.96 = 7,364,414.32 : x
  2. Step 2: Convert to fraction form
    13,166,638.96/18,169,103.96 = 7,364,414.32/x
  3. Step 3: Cross multiply
    13,166,638.96x = 18,169,103.96 × 7,364,414.32
  4. Step 4: Simplify right side
    13,166,638.96x = 133,804,809,384,592.72
  5. Step 5: Solve for x
    x = 133,804,809,384,592.72/13,166,638.96
  6. Step 6: Final answer
    x = 10,162,411.97

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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.