Home / 30,419,045.88-41,978,283.11-16,667,714.76

Finding the Fourth Proportional to 30,419,045.88, 41,978,283.11 and 16,667,714.76

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Solution

The fourth proportional to 30,419,045.88, 41,978,283.11 and 16,667,714.76 is: 23,001,446.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,419,045.88 : 41,978,283.11 = 16,667,714.76 : x
  2. Step 2: Convert to fraction form
    30,419,045.88/41,978,283.11 = 16,667,714.76/x
  3. Step 3: Cross multiply
    30,419,045.88x = 41,978,283.11 × 16,667,714.76
  4. Step 4: Simplify right side
    30,419,045.88x = 699,682,048,813,752.50
  5. Step 5: Solve for x
    x = 699,682,048,813,752.50/30,419,045.88
  6. Step 6: Final answer
    x = 23,001,446.25

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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.