Home / 8,428,625.31-11,630,251.71-5,119,197.37

Finding the Fourth Proportional to 8,428,625.31, 11,630,251.71 and 5,119,197.37

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Solution

The fourth proportional to 8,428,625.31, 11,630,251.71 and 5,119,197.37 is: 7,063,732.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,625.31 : 11,630,251.71 = 5,119,197.37 : x
  2. Step 2: Convert to fraction form
    8,428,625.31/11,630,251.71 = 5,119,197.37/x
  3. Step 3: Cross multiply
    8,428,625.31x = 11,630,251.71 × 5,119,197.37
  4. Step 4: Simplify right side
    8,428,625.31x = 59,537,553,940,674.02
  5. Step 5: Solve for x
    x = 59,537,553,940,674.02/8,428,625.31
  6. Step 6: Final answer
    x = 7,063,732.43

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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.