Home / 9,310,721.53-12,848,795.72-5,181,018.70

Finding the Fourth Proportional to 9,310,721.53, 12,848,795.72 and 5,181,018.70

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Solution

The fourth proportional to 9,310,721.53, 12,848,795.72 and 5,181,018.70 is: 7,149,805.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,310,721.53 : 12,848,795.72 = 5,181,018.70 : x
  2. Step 2: Convert to fraction form
    9,310,721.53/12,848,795.72 = 5,181,018.70/x
  3. Step 3: Cross multiply
    9,310,721.53x = 12,848,795.72 × 5,181,018.70
  4. Step 4: Simplify right side
    9,310,721.53x = 66,569,850,897,799.97
  5. Step 5: Solve for x
    x = 66,569,850,897,799.97/9,310,721.53
  6. Step 6: Final answer
    x = 7,149,805.81

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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.