Home / 13,096,046.72-18,072,731.72-7,515,202.70

Finding the Fourth Proportional to 13,096,046.72, 18,072,731.72 and 7,515,202.70

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Solution

The fourth proportional to 13,096,046.72, 18,072,731.72 and 7,515,202.70 is: 10,371,087.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,096,046.72 : 18,072,731.72 = 7,515,202.70 : x
  2. Step 2: Convert to fraction form
    13,096,046.72/18,072,731.72 = 7,515,202.70/x
  3. Step 3: Cross multiply
    13,096,046.72x = 18,072,731.72 × 7,515,202.70
  4. Step 4: Simplify right side
    13,096,046.72x = 135,820,242,218,519.64
  5. Step 5: Solve for x
    x = 135,820,242,218,519.64/13,096,046.72
  6. Step 6: Final answer
    x = 10,371,087.18

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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.