Home / 31,099,774.80-46,649,662.20-8,380,672.06

Finding the Fourth Proportional to 31,099,774.80, 46,649,662.20 and 8,380,672.06

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Solution

The fourth proportional to 31,099,774.80, 46,649,662.20 and 8,380,672.06 is: 12,571,008.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,099,774.80 : 46,649,662.20 = 8,380,672.06 : x
  2. Step 2: Convert to fraction form
    31,099,774.80/46,649,662.20 = 8,380,672.06/x
  3. Step 3: Cross multiply
    31,099,774.80x = 46,649,662.20 × 8,380,672.06
  4. Step 4: Simplify right side
    31,099,774.80x = 390,955,520,607,978.12
  5. Step 5: Solve for x
    x = 390,955,520,607,978.12/31,099,774.80
  6. Step 6: Final answer
    x = 12,571,008.09

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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.