Home / 7,962,079-11,943,118.52-2,643,295

Finding the Fourth Proportional to 7,962,079, 11,943,118.52 and 2,643,295

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Solution

The fourth proportional to 7,962,079, 11,943,118.52 and 2,643,295 is: 3,964,942.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962,079 : 11,943,118.52 = 2,643,295 : x
  2. Step 2: Convert to fraction form
    7,962,079/11,943,118.52 = 2,643,295/x
  3. Step 3: Cross multiply
    7,962,079x = 11,943,118.52 × 2,643,295
  4. Step 4: Simplify right side
    7,962,079x = 31,569,185,468,323.40
  5. Step 5: Solve for x
    x = 31,569,185,468,323.40/7,962,079
  6. Step 6: Final answer
    x = 3,964,942.51

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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.