Home / 14,682,421.53-20,261,178.36-8,156,461.86

Finding the Fourth Proportional to 14,682,421.53, 20,261,178.36 and 8,156,461.86

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Solution

The fourth proportional to 14,682,421.53, 20,261,178.36 and 8,156,461.86 is: 11,255,604.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,682,421.53 : 20,261,178.36 = 8,156,461.86 : x
  2. Step 2: Convert to fraction form
    14,682,421.53/20,261,178.36 = 8,156,461.86/x
  3. Step 3: Cross multiply
    14,682,421.53x = 20,261,178.36 × 8,156,461.86
  4. Step 4: Simplify right side
    14,682,421.53x = 165,259,528,531,997.34
  5. Step 5: Solve for x
    x = 165,259,528,531,997.34/14,682,421.53
  6. Step 6: Final answer
    x = 11,255,604.41

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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.