Home / 7,856,804.82-11,781,770.86-3,963,866.22

Finding the Fourth Proportional to 7,856,804.82, 11,781,770.86 and 3,963,866.22

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Solution

The fourth proportional to 7,856,804.82, 11,781,770.86 and 3,963,866.22 is: 5,944,065.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856,804.82 : 11,781,770.86 = 3,963,866.22 : x
  2. Step 2: Convert to fraction form
    7,856,804.82/11,781,770.86 = 3,963,866.22/x
  3. Step 3: Cross multiply
    7,856,804.82x = 11,781,770.86 × 3,963,866.22
  4. Step 4: Simplify right side
    7,856,804.82x = 46,701,363,528,689.19
  5. Step 5: Solve for x
    x = 46,701,363,528,689.19/7,856,804.82
  6. Step 6: Final answer
    x = 5,944,065.64

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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.