Home / 7,211,550.18-9,951,544.98-3,947,733.51

Finding the Fourth Proportional to 7,211,550.18, 9,951,544.98 and 3,947,733.51

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Solution

The fourth proportional to 7,211,550.18, 9,951,544.98 and 3,947,733.51 is: 5,447,656.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211,550.18 : 9,951,544.98 = 3,947,733.51 : x
  2. Step 2: Convert to fraction form
    7,211,550.18/9,951,544.98 = 3,947,733.51/x
  3. Step 3: Cross multiply
    7,211,550.18x = 9,951,544.98 × 3,947,733.51
  4. Step 4: Simplify right side
    7,211,550.18x = 39,286,047,593,818.28
  5. Step 5: Solve for x
    x = 39,286,047,593,818.28/7,211,550.18
  6. Step 6: Final answer
    x = 5,447,656.41

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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.