Home / 11,869,360-16,380,407.42-6,642,323.96

Finding the Fourth Proportional to 11,869,360, 16,380,407.42 and 6,642,323.96

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Solution

The fourth proportional to 11,869,360, 16,380,407.42 and 6,642,323.96 is: 9,166,793.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869,360 : 16,380,407.42 = 6,642,323.96 : x
  2. Step 2: Convert to fraction form
    11,869,360/16,380,407.42 = 6,642,323.96/x
  3. Step 3: Cross multiply
    11,869,360x = 16,380,407.42 × 6,642,323.96
  4. Step 4: Simplify right side
    11,869,360x = 108,803,972,680,427.78
  5. Step 5: Solve for x
    x = 108,803,972,680,427.78/11,869,360
  6. Step 6: Final answer
    x = 9,166,793.55

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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.