Home / 12,311,071.38-18,467,560.26-4,113,741.90

Finding the Fourth Proportional to 12,311,071.38, 18,467,560.26 and 4,113,741.90

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Solution

The fourth proportional to 12,311,071.38, 18,467,560.26 and 4,113,741.90 is: 6,170,931.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311,071.38 : 18,467,560.26 = 4,113,741.90 : x
  2. Step 2: Convert to fraction form
    12,311,071.38/18,467,560.26 = 4,113,741.90/x
  3. Step 3: Cross multiply
    12,311,071.38x = 18,467,560.26 × 4,113,741.90
  4. Step 4: Simplify right side
    12,311,071.38x = 75,970,776,432,336.91
  5. Step 5: Solve for x
    x = 75,970,776,432,336.91/12,311,071.38
  6. Step 6: Final answer
    x = 6,170,931.36

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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.