Home / 8,192,798.64-12,290,783.40-3,143,716.56

Finding the Fourth Proportional to 8,192,798.64, 12,290,783.40 and 3,143,716.56

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Solution

The fourth proportional to 8,192,798.64, 12,290,783.40 and 3,143,716.56 is: 4,716,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,192,798.64 : 12,290,783.40 = 3,143,716.56 : x
  2. Step 2: Convert to fraction form
    8,192,798.64/12,290,783.40 = 3,143,716.56/x
  3. Step 3: Cross multiply
    8,192,798.64x = 12,290,783.40 × 3,143,716.56
  4. Step 4: Simplify right side
    8,192,798.64x = 38,638,739,309,953.11
  5. Step 5: Solve for x
    x = 38,638,739,309,953.11/8,192,798.64
  6. Step 6: Final answer
    x = 4,716,183.20

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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.