Home / 14,650,040-20,217,055.20-8,211,512

Finding the Fourth Proportional to 14,650,040, 20,217,055.20 and 8,211,512

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Solution

The fourth proportional to 14,650,040, 20,217,055.20 and 8,211,512 is: 11,331,886.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650,040 : 20,217,055.20 = 8,211,512 : x
  2. Step 2: Convert to fraction form
    14,650,040/20,217,055.20 = 8,211,512/x
  3. Step 3: Cross multiply
    14,650,040x = 20,217,055.20 × 8,211,512
  4. Step 4: Simplify right side
    14,650,040x = 166,012,591,379,462.41
  5. Step 5: Solve for x
    x = 166,012,591,379,462.41/14,650,040
  6. Step 6: Final answer
    x = 11,331,886.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.