Home / 11,839,942.40-17,759,913.60-6,446,508.80

Finding the Fourth Proportional to 11,839,942.40, 17,759,913.60 and 6,446,508.80

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Solution

The fourth proportional to 11,839,942.40, 17,759,913.60 and 6,446,508.80 is: 9,669,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839,942.40 : 17,759,913.60 = 6,446,508.80 : x
  2. Step 2: Convert to fraction form
    11,839,942.40/17,759,913.60 = 6,446,508.80/x
  3. Step 3: Cross multiply
    11,839,942.40x = 17,759,913.60 × 6,446,508.80
  4. Step 4: Simplify right side
    11,839,942.40x = 114,489,439,309,639.69
  5. Step 5: Solve for x
    x = 114,489,439,309,639.69/11,839,942.40
  6. Step 6: Final answer
    x = 9,669,763.20

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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.