Home / 14,731,446.72-20,330,418.24-8,930,472.96

Finding the Fourth Proportional to 14,731,446.72, 20,330,418.24 and 8,930,472.96

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Solution

The fourth proportional to 14,731,446.72, 20,330,418.24 and 8,930,472.96 is: 12,324,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,731,446.72 : 20,330,418.24 = 8,930,472.96 : x
  2. Step 2: Convert to fraction form
    14,731,446.72/20,330,418.24 = 8,930,472.96/x
  3. Step 3: Cross multiply
    14,731,446.72x = 20,330,418.24 × 8,930,472.96
  4. Step 4: Simplify right side
    14,731,446.72x = 181,560,250,357,810.78
  5. Step 5: Solve for x
    x = 181,560,250,357,810.78/14,731,446.72
  6. Step 6: Final answer
    x = 12,324,672.10

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1.5x scale

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.