Home / 11,869,917.31-16,380,485.88-6,437,409.31

Finding the Fourth Proportional to 11,869,917.31, 16,380,485.88 and 6,437,409.31

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Solution

The fourth proportional to 11,869,917.31, 16,380,485.88 and 6,437,409.31 is: 8,883,624.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869,917.31 : 16,380,485.88 = 6,437,409.31 : x
  2. Step 2: Convert to fraction form
    11,869,917.31/16,380,485.88 = 6,437,409.31/x
  3. Step 3: Cross multiply
    11,869,917.31x = 16,380,485.88 × 6,437,409.31
  4. Step 4: Simplify right side
    11,869,917.31x = 105,447,892,306,235.55
  5. Step 5: Solve for x
    x = 105,447,892,306,235.55/11,869,917.31
  6. Step 6: Final answer
    x = 8,883,624.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.