Home / 14,889,863.31-20,548,509.76-8,274,730.61

Finding the Fourth Proportional to 14,889,863.31, 20,548,509.76 and 8,274,730.61

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Solution

The fourth proportional to 14,889,863.31, 20,548,509.76 and 8,274,730.61 is: 11,419,405.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,889,863.31 : 20,548,509.76 = 8,274,730.61 : x
  2. Step 2: Convert to fraction form
    14,889,863.31/20,548,509.76 = 8,274,730.61/x
  3. Step 3: Cross multiply
    14,889,863.31x = 20,548,509.76 × 8,274,730.61
  4. Step 4: Simplify right side
    14,889,863.31x = 170,033,382,570,068.97
  5. Step 5: Solve for x
    x = 170,033,382,570,068.97/14,889,863.31
  6. Step 6: Final answer
    x = 11,419,405.21

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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.