Home / 28,647,831-42,972,932.34-8,453,073

Finding the Fourth Proportional to 28,647,831, 42,972,932.34 and 8,453,073

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Solution

The fourth proportional to 28,647,831, 42,972,932.34 and 8,453,073 is: 12,679,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,647,831 : 42,972,932.34 = 8,453,073 : x
  2. Step 2: Convert to fraction form
    28,647,831/42,972,932.34 = 8,453,073/x
  3. Step 3: Cross multiply
    28,647,831x = 42,972,932.34 × 8,453,073
  4. Step 4: Simplify right side
    28,647,831x = 363,253,334,094,080.88
  5. Step 5: Solve for x
    x = 363,253,334,094,080.88/28,647,831
  6. Step 6: Final answer
    x = 12,679,959.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.