Home / 6,817,815.36-9,408,629.52-3,720,556.80

Finding the Fourth Proportional to 6,817,815.36, 9,408,629.52 and 3,720,556.80

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Solution

The fourth proportional to 6,817,815.36, 9,408,629.52 and 3,720,556.80 is: 5,134,392.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,817,815.36 : 9,408,629.52 = 3,720,556.80 : x
  2. Step 2: Convert to fraction form
    6,817,815.36/9,408,629.52 = 3,720,556.80/x
  3. Step 3: Cross multiply
    6,817,815.36x = 9,408,629.52 × 3,720,556.80
  4. Step 4: Simplify right side
    6,817,815.36x = 35,005,340,539,316.73
  5. Step 5: Solve for x
    x = 35,005,340,539,316.73/6,817,815.36
  6. Step 6: Final answer
    x = 5,134,392.57

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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.