Home / 6,469,288.40-9,711,919.80-4,073,128.40

Finding the Fourth Proportional to 6,469,288.40, 9,711,919.80 and 4,073,128.40

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Solution

The fourth proportional to 6,469,288.40, 9,711,919.80 and 4,073,128.40 is: 6,114,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,469,288.40 : 9,711,919.80 = 4,073,128.40 : x
  2. Step 2: Convert to fraction form
    6,469,288.40/9,711,919.80 = 4,073,128.40/x
  3. Step 3: Cross multiply
    6,469,288.40x = 9,711,919.80 × 4,073,128.40
  4. Step 4: Simplify right side
    6,469,288.40x = 39,557,896,355,902.32
  5. Step 5: Solve for x
    x = 39,557,896,355,902.32/6,469,288.40
  6. Step 6: Final answer
    x = 6,114,721.42

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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.