Home / 8,198,911.40-12,303,615.90-4,787,191.40

Finding the Fourth Proportional to 8,198,911.40, 12,303,615.90 and 4,787,191.40

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Solution

The fourth proportional to 8,198,911.40, 12,303,615.90 and 4,787,191.40 is: 7,183,851.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198,911.40 : 12,303,615.90 = 4,787,191.40 : x
  2. Step 2: Convert to fraction form
    8,198,911.40/12,303,615.90 = 4,787,191.40/x
  3. Step 3: Cross multiply
    8,198,911.40x = 12,303,615.90 × 4,787,191.40
  4. Step 4: Simplify right side
    8,198,911.40x = 58,899,764,225,383.27
  5. Step 5: Solve for x
    x = 58,899,764,225,383.27/8,198,911.40
  6. Step 6: Final answer
    x = 7,183,851.78

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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.