Home / 18,725,779.80-28,089,447.30-5,945,923.80

Finding the Fourth Proportional to 18,725,779.80, 28,089,447.30 and 5,945,923.80

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Solution

The fourth proportional to 18,725,779.80, 28,089,447.30 and 5,945,923.80 is: 8,919,132.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725,779.80 : 28,089,447.30 = 5,945,923.80 : x
  2. Step 2: Convert to fraction form
    18,725,779.80/28,089,447.30 = 5,945,923.80/x
  3. Step 3: Cross multiply
    18,725,779.80x = 28,089,447.30 × 5,945,923.80
  4. Step 4: Simplify right side
    18,725,779.80x = 167,017,713,229,915.75
  5. Step 5: Solve for x
    x = 167,017,713,229,915.75/18,725,779.80
  6. Step 6: Final answer
    x = 8,919,132.61

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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.