Home / 21,856,505.56-30,161,377.20-12,066,771.76

Finding the Fourth Proportional to 21,856,505.56, 30,161,377.20 and 12,066,771.76

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Solution

The fourth proportional to 21,856,505.56, 30,161,377.20 and 12,066,771.76 is: 16,651,813.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856,505.56 : 30,161,377.20 = 12,066,771.76 : x
  2. Step 2: Convert to fraction form
    21,856,505.56/30,161,377.20 = 12,066,771.76/x
  3. Step 3: Cross multiply
    21,856,505.56x = 30,161,377.20 × 12,066,771.76
  4. Step 4: Simplify right side
    21,856,505.56x = 363,950,454,639,667.88
  5. Step 5: Solve for x
    x = 363,950,454,639,667.88/21,856,505.56
  6. Step 6: Final answer
    x = 16,651,813.51

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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.