Home / 11,585,371.20-17,378,056.80-8,383,732.80

Finding the Fourth Proportional to 11,585,371.20, 17,378,056.80 and 8,383,732.80

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Solution

The fourth proportional to 11,585,371.20, 17,378,056.80 and 8,383,732.80 is: 12,575,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,585,371.20 : 17,378,056.80 = 8,383,732.80 : x
  2. Step 2: Convert to fraction form
    11,585,371.20/17,378,056.80 = 8,383,732.80/x
  3. Step 3: Cross multiply
    11,585,371.20x = 17,378,056.80 × 8,383,732.80
  4. Step 4: Simplify right side
    11,585,371.20x = 145,692,984,794,423.03
  5. Step 5: Solve for x
    x = 145,692,984,794,423.03/11,585,371.20
  6. Step 6: Final answer
    x = 12,575,599.20

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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.