Home / 9,310,724.48-12,848,799.78-5,181,021.63

Finding the Fourth Proportional to 9,310,724.48, 12,848,799.78 and 5,181,021.63

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Solution

The fourth proportional to 9,310,724.48, 12,848,799.78 and 5,181,021.63 is: 7,149,809.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,310,724.48 : 12,848,799.78 = 5,181,021.63 : x
  2. Step 2: Convert to fraction form
    9,310,724.48/12,848,799.78 = 5,181,021.63/x
  3. Step 3: Cross multiply
    9,310,724.48x = 12,848,799.78 × 5,181,021.63
  4. Step 4: Simplify right side
    9,310,724.48x = 66,569,909,579,719.23
  5. Step 5: Solve for x
    x = 66,569,909,579,719.23/9,310,724.48
  6. Step 6: Final answer
    x = 7,149,809.85

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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.