Home / 7,911,314.82-11,863,046.46-2,519,262.72

Finding the Fourth Proportional to 7,911,314.82, 11,863,046.46 and 2,519,262.72

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Solution

The fourth proportional to 7,911,314.82, 11,863,046.46 and 2,519,262.72 is: 3,777,643.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911,314.82 : 11,863,046.46 = 2,519,262.72 : x
  2. Step 2: Convert to fraction form
    7,911,314.82/11,863,046.46 = 2,519,262.72/x
  3. Step 3: Cross multiply
    7,911,314.82x = 11,863,046.46 × 2,519,262.72
  4. Step 4: Simplify right side
    7,911,314.82x = 29,886,130,692,305.98
  5. Step 5: Solve for x
    x = 29,886,130,692,305.98/7,911,314.82
  6. Step 6: Final answer
    x = 3,777,643.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.