Home / 12,570,464.72-18,847,980.24-4,885,135.92

Finding the Fourth Proportional to 12,570,464.72, 18,847,980.24 and 4,885,135.92

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Solution

The fourth proportional to 12,570,464.72, 18,847,980.24 and 4,885,135.92 is: 7,324,704.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,570,464.72 : 18,847,980.24 = 4,885,135.92 : x
  2. Step 2: Convert to fraction form
    12,570,464.72/18,847,980.24 = 4,885,135.92/x
  3. Step 3: Cross multiply
    12,570,464.72x = 18,847,980.24 × 4,885,135.92
  4. Step 4: Simplify right side
    12,570,464.72x = 92,074,945,289,874.22
  5. Step 5: Solve for x
    x = 92,074,945,289,874.22/12,570,464.72
  6. Step 6: Final answer
    x = 7,324,704.96

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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.