Home / 13,145,644.82-18,140,655.02-7,344,469.98

Finding the Fourth Proportional to 13,145,644.82, 18,140,655.02 and 7,344,469.98

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Solution

The fourth proportional to 13,145,644.82, 18,140,655.02 and 7,344,469.98 is: 10,135,181.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,145,644.82 : 18,140,655.02 = 7,344,469.98 : x
  2. Step 2: Convert to fraction form
    13,145,644.82/18,140,655.02 = 7,344,469.98/x
  3. Step 3: Cross multiply
    13,145,644.82x = 18,140,655.02 × 7,344,469.98
  4. Step 4: Simplify right side
    13,145,644.82x = 133,233,496,175,203.97
  5. Step 5: Solve for x
    x = 133,233,496,175,203.97/13,145,644.82
  6. Step 6: Final answer
    x = 10,135,181.50

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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.