Home / 12,820,132.34-17,691,672.61-6,939,737.67

Finding the Fourth Proportional to 12,820,132.34, 17,691,672.61 and 6,939,737.67

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Solution

The fourth proportional to 12,820,132.34, 17,691,672.61 and 6,939,737.67 is: 9,576,778.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,820,132.34 : 17,691,672.61 = 6,939,737.67 : x
  2. Step 2: Convert to fraction form
    12,820,132.34/17,691,672.61 = 6,939,737.67/x
  3. Step 3: Cross multiply
    12,820,132.34x = 17,691,672.61 × 6,939,737.67
  4. Step 4: Simplify right side
    12,820,132.34x = 122,775,566,856,924.22
  5. Step 5: Solve for x
    x = 122,775,566,856,924.22/12,820,132.34
  6. Step 6: Final answer
    x = 9,576,778.43

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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.