Home / 7,184,643.20-10,778,462.40-2,393,820.80

Finding the Fourth Proportional to 7,184,643.20, 10,778,462.40 and 2,393,820.80

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Solution

The fourth proportional to 7,184,643.20, 10,778,462.40 and 2,393,820.80 is: 3,591,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,184,643.20 : 10,778,462.40 = 2,393,820.80 : x
  2. Step 2: Convert to fraction form
    7,184,643.20/10,778,462.40 = 2,393,820.80/x
  3. Step 3: Cross multiply
    7,184,643.20x = 10,778,462.40 × 2,393,820.80
  4. Step 4: Simplify right side
    7,184,643.20x = 25,801,707,485,137.92
  5. Step 5: Solve for x
    x = 25,801,707,485,137.92/7,184,643.20
  6. Step 6: Final answer
    x = 3,591,230.18

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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.