Home / 15,404,561.32-21,258,958.92-8,529,043.36

Finding the Fourth Proportional to 15,404,561.32, 21,258,958.92 and 8,529,043.36

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Solution

The fourth proportional to 15,404,561.32, 21,258,958.92 and 8,529,043.36 is: 11,770,447.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,561.32 : 21,258,958.92 = 8,529,043.36 : x
  2. Step 2: Convert to fraction form
    15,404,561.32/21,258,958.92 = 8,529,043.36/x
  3. Step 3: Cross multiply
    15,404,561.32x = 21,258,958.92 × 8,529,043.36
  4. Step 4: Simplify right side
    15,404,561.32x = 181,318,582,417,138.78
  5. Step 5: Solve for x
    x = 181,318,582,417,138.78/15,404,561.32
  6. Step 6: Final answer
    x = 11,770,447.64

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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.