Home / 25,639,330.20-38,449,664.10-12,855,586.20

Finding the Fourth Proportional to 25,639,330.20, 38,449,664.10 and 12,855,586.20

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Solution

The fourth proportional to 25,639,330.20, 38,449,664.10 and 12,855,586.20 is: 19,278,700.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,639,330.20 : 38,449,664.10 = 12,855,586.20 : x
  2. Step 2: Convert to fraction form
    25,639,330.20/38,449,664.10 = 12,855,586.20/x
  3. Step 3: Cross multiply
    25,639,330.20x = 38,449,664.10 × 12,855,586.20
  4. Step 4: Simplify right side
    25,639,330.20x = 494,292,971,198,595.44
  5. Step 5: Solve for x
    x = 494,292,971,198,595.44/25,639,330.20
  6. Step 6: Final answer
    x = 19,278,700.63

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1.5x scale

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.