Home / 12,021,656.40-18,034,234.20-3,932,672.40

Finding the Fourth Proportional to 12,021,656.40, 18,034,234.20 and 3,932,672.40

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Solution

The fourth proportional to 12,021,656.40, 18,034,234.20 and 3,932,672.40 is: 5,899,580.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,021,656.40 : 18,034,234.20 = 3,932,672.40 : x
  2. Step 2: Convert to fraction form
    12,021,656.40/18,034,234.20 = 3,932,672.40/x
  3. Step 3: Cross multiply
    12,021,656.40x = 18,034,234.20 × 3,932,672.40
  4. Step 4: Simplify right side
    12,021,656.40x = 70,922,735,093,476.08
  5. Step 5: Solve for x
    x = 70,922,735,093,476.08/12,021,656.40
  6. Step 6: Final answer
    x = 5,899,580.95

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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.