Home / 8,451,098.20-11,662,779.42-4,779,942.88

Finding the Fourth Proportional to 8,451,098.20, 11,662,779.42 and 4,779,942.88

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Solution

The fourth proportional to 8,451,098.20, 11,662,779.42 and 4,779,942.88 is: 6,596,470.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451,098.20 : 11,662,779.42 = 4,779,942.88 : x
  2. Step 2: Convert to fraction form
    8,451,098.20/11,662,779.42 = 4,779,942.88/x
  3. Step 3: Cross multiply
    8,451,098.20x = 11,662,779.42 × 4,779,942.88
  4. Step 4: Simplify right side
    8,451,098.20x = 55,747,419,449,639.53
  5. Step 5: Solve for x
    x = 55,747,419,449,639.53/8,451,098.20
  6. Step 6: Final answer
    x = 6,596,470.44

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1.5x scale

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.