Home / 7,211,947.60-9,952,179.60-3,948,703.12

Finding the Fourth Proportional to 7,211,947.60, 9,952,179.60 and 3,948,703.12

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Solution

The fourth proportional to 7,211,947.60, 9,952,179.60 and 3,948,703.12 is: 5,449,041.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211,947.60 : 9,952,179.60 = 3,948,703.12 : x
  2. Step 2: Convert to fraction form
    7,211,947.60/9,952,179.60 = 3,948,703.12/x
  3. Step 3: Cross multiply
    7,211,947.60x = 9,952,179.60 × 3,948,703.12
  4. Step 4: Simplify right side
    7,211,947.60x = 39,298,202,637,320.35
  5. Step 5: Solve for x
    x = 39,298,202,637,320.35/7,211,947.60
  6. Step 6: Final answer
    x = 5,449,041.62

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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.