Home / 18,725,761.80-28,089,420.30-5,945,905.80

Finding the Fourth Proportional to 18,725,761.80, 28,089,420.30 and 5,945,905.80

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Solution

The fourth proportional to 18,725,761.80, 28,089,420.30 and 5,945,905.80 is: 8,919,105.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725,761.80 : 28,089,420.30 = 5,945,905.80 : x
  2. Step 2: Convert to fraction form
    18,725,761.80/28,089,420.30 = 5,945,905.80/x
  3. Step 3: Cross multiply
    18,725,761.80x = 28,089,420.30 × 5,945,905.80
  4. Step 4: Simplify right side
    18,725,761.80x = 167,017,047,080,407.75
  5. Step 5: Solve for x
    x = 167,017,047,080,407.75/18,725,761.80
  6. Step 6: Final answer
    x = 8,919,105.61

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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.