Home / 40,124,220.12-55,388,375.64-27,089,136.36

Finding the Fourth Proportional to 40,124,220.12, 55,388,375.64 and 27,089,136.36

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Solution

The fourth proportional to 40,124,220.12, 55,388,375.64 and 27,089,136.36 is: 37,394,452.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,124,220.12 : 55,388,375.64 = 27,089,136.36 : x
  2. Step 2: Convert to fraction form
    40,124,220.12/55,388,375.64 = 27,089,136.36/x
  3. Step 3: Cross multiply
    40,124,220.12x = 55,388,375.64 × 27,089,136.36
  4. Step 4: Simplify right side
    40,124,220.12x = 1,500,423,260,470,862.25
  5. Step 5: Solve for x
    x = 1,500,423,260,470,862.25/40,124,220.12
  6. Step 6: Final answer
    x = 37,394,452.93

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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.