Home / 12,979,635.01-19,455,723.61-4,889,110.12

Finding the Fourth Proportional to 12,979,635.01, 19,455,723.61 and 4,889,110.12

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Solution

The fourth proportional to 12,979,635.01, 19,455,723.61 and 4,889,110.12 is: 7,328,493.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979,635.01 : 19,455,723.61 = 4,889,110.12 : x
  2. Step 2: Convert to fraction form
    12,979,635.01/19,455,723.61 = 4,889,110.12/x
  3. Step 3: Cross multiply
    12,979,635.01x = 19,455,723.61 × 4,889,110.12
  4. Step 4: Simplify right side
    12,979,635.01x = 95,121,175,193,573.94
  5. Step 5: Solve for x
    x = 95,121,175,193,573.94/12,979,635.01
  6. Step 6: Final answer
    x = 7,328,493.84

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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.