Home / 12,311,659.22-18,468,417.09-3,675,077.42

Finding the Fourth Proportional to 12,311,659.22, 18,468,417.09 and 3,675,077.42

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Solution

The fourth proportional to 12,311,659.22, 18,468,417.09 and 3,675,077.42 is: 5,512,893.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311,659.22 : 18,468,417.09 = 3,675,077.42 : x
  2. Step 2: Convert to fraction form
    12,311,659.22/18,468,417.09 = 3,675,077.42/x
  3. Step 3: Cross multiply
    12,311,659.22x = 18,468,417.09 × 3,675,077.42
  4. Step 4: Simplify right side
    12,311,659.22x = 67,872,862,630,601.11
  5. Step 5: Solve for x
    x = 67,872,862,630,601.11/12,311,659.22
  6. Step 6: Final answer
    x = 5,512,893.22

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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.