Home / 13,237,388.18-18,268,376.02-9,968,435.54

Finding the Fourth Proportional to 13,237,388.18, 18,268,376.02 and 9,968,435.54

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Solution

The fourth proportional to 13,237,388.18, 18,268,376.02 and 9,968,435.54 is: 13,757,028.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237,388.18 : 18,268,376.02 = 9,968,435.54 : x
  2. Step 2: Convert to fraction form
    13,237,388.18/18,268,376.02 = 9,968,435.54/x
  3. Step 3: Cross multiply
    13,237,388.18x = 18,268,376.02 × 9,968,435.54
  4. Step 4: Simplify right side
    13,237,388.18x = 182,107,128,775,851.72
  5. Step 5: Solve for x
    x = 182,107,128,775,851.72/13,237,388.18
  6. Step 6: Final answer
    x = 13,757,028.68

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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.