Home / 7,911,312.31-11,863,042.71-2,519,260.21

Finding the Fourth Proportional to 7,911,312.31, 11,863,042.71 and 2,519,260.21

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Solution

The fourth proportional to 7,911,312.31, 11,863,042.71 and 2,519,260.21 is: 3,777,640.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911,312.31 : 11,863,042.71 = 2,519,260.21 : x
  2. Step 2: Convert to fraction form
    7,911,312.31/11,863,042.71 = 2,519,260.21/x
  3. Step 3: Cross multiply
    7,911,312.31x = 11,863,042.71 × 2,519,260.21
  4. Step 4: Simplify right side
    7,911,312.31x = 29,886,091,468,833.57
  5. Step 5: Solve for x
    x = 29,886,091,468,833.57/7,911,312.31
  6. Step 6: Final answer
    x = 3,777,640.21

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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.