Home / 6,789,633.12-9,369,940.04-3,889,584.45

Finding the Fourth Proportional to 6,789,633.12, 9,369,940.04 and 3,889,584.45

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Solution

The fourth proportional to 6,789,633.12, 9,369,940.04 and 3,889,584.45 is: 5,367,767.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789,633.12 : 9,369,940.04 = 3,889,584.45 : x
  2. Step 2: Convert to fraction form
    6,789,633.12/9,369,940.04 = 3,889,584.45/x
  3. Step 3: Cross multiply
    6,789,633.12x = 9,369,940.04 × 3,889,584.45
  4. Step 4: Simplify right side
    6,789,633.12x = 36,445,173,077,016.38
  5. Step 5: Solve for x
    x = 36,445,173,077,016.38/6,789,633.12
  6. Step 6: Final answer
    x = 5,367,767.66

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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.