Home / 14,652,072.75-20,219,860.40-8,126,701.41

Finding the Fourth Proportional to 14,652,072.75, 20,219,860.40 and 8,126,701.41

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Solution

The fourth proportional to 14,652,072.75, 20,219,860.40 and 8,126,701.41 is: 11,214,847.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652,072.75 : 20,219,860.40 = 8,126,701.41 : x
  2. Step 2: Convert to fraction form
    14,652,072.75/20,219,860.40 = 8,126,701.41/x
  3. Step 3: Cross multiply
    14,652,072.75x = 20,219,860.40 × 8,126,701.41
  4. Step 4: Simplify right side
    14,652,072.75x = 164,320,768,022,683.16
  5. Step 5: Solve for x
    x = 164,320,768,022,683.16/14,652,072.75
  6. Step 6: Final answer
    x = 11,214,847.95

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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.