Home / 20,700,135.64-28,546,811.94-16,359,591.88

Finding the Fourth Proportional to 20,700,135.64, 28,546,811.94 and 16,359,591.88

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Solution

The fourth proportional to 20,700,135.64, 28,546,811.94 and 16,359,591.88 is: 22,560,924.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,700,135.64 : 28,546,811.94 = 16,359,591.88 : x
  2. Step 2: Convert to fraction form
    20,700,135.64/28,546,811.94 = 16,359,591.88/x
  3. Step 3: Cross multiply
    20,700,135.64x = 28,546,811.94 × 16,359,591.88
  4. Step 4: Simplify right side
    20,700,135.64x = 467,014,192,813,511.06
  5. Step 5: Solve for x
    x = 467,014,192,813,511.06/20,700,135.64
  6. Step 6: Final answer
    x = 22,560,924.28

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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.