Home / 5,428,166.60-8,142,249.90-4,966,272.20

Finding the Fourth Proportional to 5,428,166.60, 8,142,249.90 and 4,966,272.20

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Solution

The fourth proportional to 5,428,166.60, 8,142,249.90 and 4,966,272.20 is: 7,449,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,166.60 : 8,142,249.90 = 4,966,272.20 : x
  2. Step 2: Convert to fraction form
    5,428,166.60/8,142,249.90 = 4,966,272.20/x
  3. Step 3: Cross multiply
    5,428,166.60x = 8,142,249.90 × 4,966,272.20
  4. Step 4: Simplify right side
    5,428,166.60x = 40,436,629,323,822.78
  5. Step 5: Solve for x
    x = 40,436,629,323,822.78/5,428,166.60
  6. Step 6: Final answer
    x = 7,449,408.30

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1.5x scale

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.