Home / 13,704,700.20-20,557,050.30-8,639,586.60

Finding the Fourth Proportional to 13,704,700.20, 20,557,050.30 and 8,639,586.60

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Solution

The fourth proportional to 13,704,700.20, 20,557,050.30 and 8,639,586.60 is: 12,959,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,704,700.20 : 20,557,050.30 = 8,639,586.60 : x
  2. Step 2: Convert to fraction form
    13,704,700.20/20,557,050.30 = 8,639,586.60/x
  3. Step 3: Cross multiply
    13,704,700.20x = 20,557,050.30 × 8,639,586.60
  4. Step 4: Simplify right side
    13,704,700.20x = 177,604,416,307,405.97
  5. Step 5: Solve for x
    x = 177,604,416,307,405.97/13,704,700.20
  6. Step 6: Final answer
    x = 12,959,379.90

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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.