Home / 20,002,043.70-30,003,065.55-19,162,235.70

Finding the Fourth Proportional to 20,002,043.70, 30,003,065.55 and 19,162,235.70

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Solution

The fourth proportional to 20,002,043.70, 30,003,065.55 and 19,162,235.70 is: 28,743,353.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002,043.70 : 30,003,065.55 = 19,162,235.70 : x
  2. Step 2: Convert to fraction form
    20,002,043.70/30,003,065.55 = 19,162,235.70/x
  3. Step 3: Cross multiply
    20,002,043.70x = 30,003,065.55 × 19,162,235.70
  4. Step 4: Simplify right side
    20,002,043.70x = 574,925,813,791,650.12
  5. Step 5: Solve for x
    x = 574,925,813,791,650.12/20,002,043.70
  6. Step 6: Final answer
    x = 28,743,353.55

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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.