Home / 13,701,605.54-18,908,230.32-7,422,147.38

Finding the Fourth Proportional to 13,701,605.54, 18,908,230.32 and 7,422,147.38

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Solution

The fourth proportional to 13,701,605.54, 18,908,230.32 and 7,422,147.38 is: 10,242,571.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701,605.54 : 18,908,230.32 = 7,422,147.38 : x
  2. Step 2: Convert to fraction form
    13,701,605.54/18,908,230.32 = 7,422,147.38/x
  3. Step 3: Cross multiply
    13,701,605.54x = 18,908,230.32 × 7,422,147.38
  4. Step 4: Simplify right side
    13,701,605.54x = 140,339,672,130,024.56
  5. Step 5: Solve for x
    x = 140,339,672,130,024.56/13,701,605.54
  6. Step 6: Final answer
    x = 10,242,571.33

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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.