Home / 8,998,787.20-13,499,364.80-3,322,998.40

Finding the Fourth Proportional to 8,998,787.20, 13,499,364.80 and 3,322,998.40

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Solution

The fourth proportional to 8,998,787.20, 13,499,364.80 and 3,322,998.40 is: 4,984,934.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998,787.20 : 13,499,364.80 = 3,322,998.40 : x
  2. Step 2: Convert to fraction form
    8,998,787.20/13,499,364.80 = 3,322,998.40/x
  3. Step 3: Cross multiply
    8,998,787.20x = 13,499,364.80 × 3,322,998.40
  4. Step 4: Simplify right side
    8,998,787.20x = 44,858,367,631,416.32
  5. Step 5: Solve for x
    x = 44,858,367,631,416.32/8,998,787.20
  6. Step 6: Final answer
    x = 4,984,934.82

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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.