Home / 13,362,406.40-18,440,170.44-7,250,835.44

Finding the Fourth Proportional to 13,362,406.40, 18,440,170.44 and 7,250,835.44

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Solution

The fourth proportional to 13,362,406.40, 18,440,170.44 and 7,250,835.44 is: 10,006,179.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362,406.40 : 18,440,170.44 = 7,250,835.44 : x
  2. Step 2: Convert to fraction form
    13,362,406.40/18,440,170.44 = 7,250,835.44/x
  3. Step 3: Cross multiply
    13,362,406.40x = 18,440,170.44 × 7,250,835.44
  4. Step 4: Simplify right side
    13,362,406.40x = 133,706,641,345,992.41
  5. Step 5: Solve for x
    x = 133,706,641,345,992.41/13,362,406.40
  6. Step 6: Final answer
    x = 10,006,179.83

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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.