Home / 13,932,930.69-20,867,576.70-6,651,512.25

Finding the Fourth Proportional to 13,932,930.69, 20,867,576.70 and 6,651,512.25

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Solution

The fourth proportional to 13,932,930.69, 20,867,576.70 and 6,651,512.25 is: 9,962,077.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932,930.69 : 20,867,576.70 = 6,651,512.25 : x
  2. Step 2: Convert to fraction form
    13,932,930.69/20,867,576.70 = 6,651,512.25/x
  3. Step 3: Cross multiply
    13,932,930.69x = 20,867,576.70 × 6,651,512.25
  4. Step 4: Simplify right side
    13,932,930.69x = 138,800,942,047,864.56
  5. Step 5: Solve for x
    x = 138,800,942,047,864.56/13,932,930.69
  6. Step 6: Final answer
    x = 9,962,077.98

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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.