Home / 21,672,072.46-32,503,134.12-12,920,827.27

Finding the Fourth Proportional to 21,672,072.46, 32,503,134.12 and 12,920,827.27

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Solution

The fourth proportional to 21,672,072.46, 32,503,134.12 and 12,920,827.27 is: 19,378,275.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,672,072.46 : 32,503,134.12 = 12,920,827.27 : x
  2. Step 2: Convert to fraction form
    21,672,072.46/32,503,134.12 = 12,920,827.27/x
  3. Step 3: Cross multiply
    21,672,072.46x = 32,503,134.12 × 12,920,827.27
  4. Step 4: Simplify right side
    21,672,072.46x = 419,967,381,698,163.44
  5. Step 5: Solve for x
    x = 419,967,381,698,163.44/21,672,072.46
  6. Step 6: Final answer
    x = 19,378,275.08

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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.