Home / 18,725,764.80-28,089,424.80-5,945,908.80

Finding the Fourth Proportional to 18,725,764.80, 28,089,424.80 and 5,945,908.80

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Solution

The fourth proportional to 18,725,764.80, 28,089,424.80 and 5,945,908.80 is: 8,919,110.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725,764.80 : 28,089,424.80 = 5,945,908.80 : x
  2. Step 2: Convert to fraction form
    18,725,764.80/28,089,424.80 = 5,945,908.80/x
  3. Step 3: Cross multiply
    18,725,764.80x = 28,089,424.80 × 5,945,908.80
  4. Step 4: Simplify right side
    18,725,764.80x = 167,017,158,105,258.25
  5. Step 5: Solve for x
    x = 167,017,158,105,258.25/18,725,764.80
  6. Step 6: Final answer
    x = 8,919,110.11

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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.