Home / 20,188,052.55-30,282,078.83-17,956,000.35

Finding the Fourth Proportional to 20,188,052.55, 30,282,078.83 and 17,956,000.35

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Solution

The fourth proportional to 20,188,052.55, 30,282,078.83 and 17,956,000.35 is: 26,934,000.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188,052.55 : 30,282,078.83 = 17,956,000.35 : x
  2. Step 2: Convert to fraction form
    20,188,052.55/30,282,078.83 = 17,956,000.35/x
  3. Step 3: Cross multiply
    20,188,052.55x = 30,282,078.83 × 17,956,000.35
  4. Step 4: Simplify right side
    20,188,052.55x = 543,745,017,980,427.62
  5. Step 5: Solve for x
    x = 543,745,017,980,427.62/20,188,052.55
  6. Step 6: Final answer
    x = 26,934,000.53

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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.