Home / 8,273,240.80-12,409,861.20-5,585,855.20

Finding the Fourth Proportional to 8,273,240.80, 12,409,861.20 and 5,585,855.20

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Solution

The fourth proportional to 8,273,240.80, 12,409,861.20 and 5,585,855.20 is: 8,378,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273,240.80 : 12,409,861.20 = 5,585,855.20 : x
  2. Step 2: Convert to fraction form
    8,273,240.80/12,409,861.20 = 5,585,855.20/x
  3. Step 3: Cross multiply
    8,273,240.80x = 12,409,861.20 × 5,585,855.20
  4. Step 4: Simplify right side
    8,273,240.80x = 69,319,687,715,298.23
  5. Step 5: Solve for x
    x = 69,319,687,715,298.23/8,273,240.80
  6. Step 6: Final answer
    x = 8,378,782.80

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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.