Home / 21,023,771.46-29,006,011.08-11,729,834.70

Finding the Fourth Proportional to 21,023,771.46, 29,006,011.08 and 11,729,834.70

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Solution

The fourth proportional to 21,023,771.46, 29,006,011.08 and 11,729,834.70 is: 16,183,381.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,023,771.46 : 29,006,011.08 = 11,729,834.70 : x
  2. Step 2: Convert to fraction form
    21,023,771.46/29,006,011.08 = 11,729,834.70/x
  3. Step 3: Cross multiply
    21,023,771.46x = 29,006,011.08 × 11,729,834.70
  4. Step 4: Simplify right side
    21,023,771.46x = 340,235,715,274,768.44
  5. Step 5: Solve for x
    x = 340,235,715,274,768.44/21,023,771.46
  6. Step 6: Final answer
    x = 16,183,381.56

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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.