Home / 15,197,675.73-20,972,801.36-8,322,157.78

Finding the Fourth Proportional to 15,197,675.73, 20,972,801.36 and 8,322,157.78

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Solution

The fourth proportional to 15,197,675.73, 20,972,801.36 and 8,322,157.78 is: 11,484,582.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,197,675.73 : 20,972,801.36 = 8,322,157.78 : x
  2. Step 2: Convert to fraction form
    15,197,675.73/20,972,801.36 = 8,322,157.78/x
  3. Step 3: Cross multiply
    15,197,675.73x = 20,972,801.36 × 8,322,157.78
  4. Step 4: Simplify right side
    15,197,675.73x = 174,538,962,006,518.59
  5. Step 5: Solve for x
    x = 174,538,962,006,518.59/15,197,675.73
  6. Step 6: Final answer
    x = 11,484,582.58

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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.