Home / 31,099,715.55-46,649,573.33-8,380,612.80

Finding the Fourth Proportional to 31,099,715.55, 46,649,573.33 and 8,380,612.80

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Solution

The fourth proportional to 31,099,715.55, 46,649,573.33 and 8,380,612.80 is: 12,570,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,099,715.55 : 46,649,573.33 = 8,380,612.80 : x
  2. Step 2: Convert to fraction form
    31,099,715.55/46,649,573.33 = 8,380,612.80/x
  3. Step 3: Cross multiply
    31,099,715.55x = 46,649,573.33 × 8,380,612.80
  4. Step 4: Simplify right side
    31,099,715.55x = 390,952,011,322,033.56
  5. Step 5: Solve for x
    x = 390,952,011,322,033.56/31,099,715.55
  6. Step 6: Final answer
    x = 12,570,919.20

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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.