Home / 5,111,363.40-7,056,284.57-3,947,195.96

Finding the Fourth Proportional to 5,111,363.40, 7,056,284.57 and 3,947,195.96

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Solution

The fourth proportional to 5,111,363.40, 7,056,284.57 and 3,947,195.96 is: 5,449,140.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,111,363.40 : 7,056,284.57 = 3,947,195.96 : x
  2. Step 2: Convert to fraction form
    5,111,363.40/7,056,284.57 = 3,947,195.96/x
  3. Step 3: Cross multiply
    5,111,363.40x = 7,056,284.57 × 3,947,195.96
  4. Step 4: Simplify right side
    5,111,363.40x = 27,852,537,995,454.56
  5. Step 5: Solve for x
    x = 27,852,537,995,454.56/5,111,363.40
  6. Step 6: Final answer
    x = 5,449,140.63

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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.