Home / 6,789,579.11-9,369,865.55-3,889,530.47

Finding the Fourth Proportional to 6,789,579.11, 9,369,865.55 and 3,889,530.47

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Solution

The fourth proportional to 6,789,579.11, 9,369,865.55 and 3,889,530.47 is: 5,367,693.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789,579.11 : 9,369,865.55 = 3,889,530.47 : x
  2. Step 2: Convert to fraction form
    6,789,579.11/9,369,865.55 = 3,889,530.47/x
  3. Step 3: Cross multiply
    6,789,579.11x = 9,369,865.55 × 3,889,530.47
  4. Step 4: Simplify right side
    6,789,579.11x = 36,444,377,537,080.66
  5. Step 5: Solve for x
    x = 36,444,377,537,080.66/6,789,579.11
  6. Step 6: Final answer
    x = 5,367,693.19

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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.