Home / 7,190,917.95-9,923,407.80-3,927,734.74

Finding the Fourth Proportional to 7,190,917.95, 9,923,407.80 and 3,927,734.74

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Solution

The fourth proportional to 7,190,917.95, 9,923,407.80 and 3,927,734.74 is: 5,420,241.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190,917.95 : 9,923,407.80 = 3,927,734.74 : x
  2. Step 2: Convert to fraction form
    7,190,917.95/9,923,407.80 = 3,927,734.74/x
  3. Step 3: Cross multiply
    7,190,917.95x = 9,923,407.80 × 3,927,734.74
  4. Step 4: Simplify right side
    7,190,917.95x = 38,976,513,530,438.45
  5. Step 5: Solve for x
    x = 38,976,513,530,438.45/7,190,917.95
  6. Step 6: Final answer
    x = 5,420,241.73

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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.