Home / 7,946,704.80-11,920,057.20-3,905,784.90

Finding the Fourth Proportional to 7,946,704.80, 11,920,057.20 and 3,905,784.90

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Solution

The fourth proportional to 7,946,704.80, 11,920,057.20 and 3,905,784.90 is: 5,858,677.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946,704.80 : 11,920,057.20 = 3,905,784.90 : x
  2. Step 2: Convert to fraction form
    7,946,704.80/11,920,057.20 = 3,905,784.90/x
  3. Step 3: Cross multiply
    7,946,704.80x = 11,920,057.20 × 3,905,784.90
  4. Step 4: Simplify right side
    7,946,704.80x = 46,557,179,418,896.27
  5. Step 5: Solve for x
    x = 46,557,179,418,896.27/7,946,704.80
  6. Step 6: Final answer
    x = 5,858,677.35

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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.