Home / 14,279,765.31-19,706,418.54-7,753,669.83

Finding the Fourth Proportional to 14,279,765.31, 19,706,418.54 and 7,753,669.83

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Solution

The fourth proportional to 14,279,765.31, 19,706,418.54 and 7,753,669.83 is: 10,700,250.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279,765.31 : 19,706,418.54 = 7,753,669.83 : x
  2. Step 2: Convert to fraction form
    14,279,765.31/19,706,418.54 = 7,753,669.83/x
  3. Step 3: Cross multiply
    14,279,765.31x = 19,706,418.54 × 7,753,669.83
  4. Step 4: Simplify right side
    14,279,765.31x = 152,797,062,890,950.66
  5. Step 5: Solve for x
    x = 152,797,062,890,950.66/14,279,765.31
  6. Step 6: Final answer
    x = 10,700,250.29

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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.