Home / 8,617,231.70-12,925,847.55-5,257,999.70

Finding the Fourth Proportional to 8,617,231.70, 12,925,847.55 and 5,257,999.70

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Solution

The fourth proportional to 8,617,231.70, 12,925,847.55 and 5,257,999.70 is: 7,886,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,617,231.70 : 12,925,847.55 = 5,257,999.70 : x
  2. Step 2: Convert to fraction form
    8,617,231.70/12,925,847.55 = 5,257,999.70/x
  3. Step 3: Cross multiply
    8,617,231.70x = 12,925,847.55 × 5,257,999.70
  4. Step 4: Simplify right side
    8,617,231.70x = 67,964,102,540,145.74
  5. Step 5: Solve for x
    x = 67,964,102,540,145.74/8,617,231.70
  6. Step 6: Final answer
    x = 7,886,999.55

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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.