Home / 23,121,120.47-31,907,141.46-12,667,507.62

Finding the Fourth Proportional to 23,121,120.47, 31,907,141.46 and 12,667,507.62

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Solution

The fourth proportional to 23,121,120.47, 31,907,141.46 and 12,667,507.62 is: 17,481,157.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,121,120.47 : 31,907,141.46 = 12,667,507.62 : x
  2. Step 2: Convert to fraction form
    23,121,120.47/31,907,141.46 = 12,667,507.62/x
  3. Step 3: Cross multiply
    23,121,120.47x = 31,907,141.46 × 12,667,507.62
  4. Step 4: Simplify right side
    23,121,120.47x = 404,183,957,457,316.19
  5. Step 5: Solve for x
    x = 404,183,957,457,316.19/23,121,120.47
  6. Step 6: Final answer
    x = 17,481,157.89

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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.