Home / 15,197,674.73-20,972,799.98-8,322,156.78

Finding the Fourth Proportional to 15,197,674.73, 20,972,799.98 and 8,322,156.78

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Solution

The fourth proportional to 15,197,674.73, 20,972,799.98 and 8,322,156.78 is: 11,484,581.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,197,674.73 : 20,972,799.98 = 8,322,156.78 : x
  2. Step 2: Convert to fraction form
    15,197,674.73/20,972,799.98 = 8,322,156.78/x
  3. Step 3: Cross multiply
    15,197,674.73x = 20,972,799.98 × 8,322,156.78
  4. Step 4: Simplify right side
    15,197,674.73x = 174,538,929,507,530.09
  5. Step 5: Solve for x
    x = 174,538,929,507,530.09/15,197,674.73
  6. Step 6: Final answer
    x = 11,484,581.21

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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.