Home / 13,268,147.22-18,307,013.54-7,464,811.50

Finding the Fourth Proportional to 13,268,147.22, 18,307,013.54 and 7,464,811.50

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Solution

The fourth proportional to 13,268,147.22, 18,307,013.54 and 7,464,811.50 is: 10,299,735.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268,147.22 : 18,307,013.54 = 7,464,811.50 : x
  2. Step 2: Convert to fraction form
    13,268,147.22/18,307,013.54 = 7,464,811.50/x
  3. Step 3: Cross multiply
    13,268,147.22x = 18,307,013.54 × 7,464,811.50
  4. Step 4: Simplify right side
    13,268,147.22x = 136,658,405,166,723.66
  5. Step 5: Solve for x
    x = 136,658,405,166,723.66/13,268,147.22
  6. Step 6: Final answer
    x = 10,299,735.37

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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.