Home / 6,789,557.94-9,366,938.13-3,887,397.78

Finding the Fourth Proportional to 6,789,557.94, 9,366,938.13 and 3,887,397.78

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Solution

The fourth proportional to 6,789,557.94, 9,366,938.13 and 3,887,397.78 is: 5,363,090.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789,557.94 : 9,366,938.13 = 3,887,397.78 : x
  2. Step 2: Convert to fraction form
    6,789,557.94/9,366,938.13 = 3,887,397.78/x
  3. Step 3: Cross multiply
    6,789,557.94x = 9,366,938.13 × 3,887,397.78
  4. Step 4: Simplify right side
    6,789,557.94x = 36,413,014,491,959.35
  5. Step 5: Solve for x
    x = 36,413,014,491,959.35/6,789,557.94
  6. Step 6: Final answer
    x = 5,363,090.62

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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.