Home / 12,115,115.20-18,184,482.60-6,056,687.80

Finding the Fourth Proportional to 12,115,115.20, 18,184,482.60 and 6,056,687.80

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Solution

The fourth proportional to 12,115,115.20, 18,184,482.60 and 6,056,687.80 is: 9,090,935.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115,115.20 : 18,184,482.60 = 6,056,687.80 : x
  2. Step 2: Convert to fraction form
    12,115,115.20/18,184,482.60 = 6,056,687.80/x
  3. Step 3: Cross multiply
    12,115,115.20x = 18,184,482.60 × 6,056,687.80
  4. Step 4: Simplify right side
    12,115,115.20x = 110,137,733,912,732.28
  5. Step 5: Solve for x
    x = 110,137,733,912,732.28/12,115,115.20
  6. Step 6: Final answer
    x = 9,090,935.75

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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.