Home / 12,131,804.55-18,192,647.53-4,938,455.37

Finding the Fourth Proportional to 12,131,804.55, 18,192,647.53 and 4,938,455.37

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Solution

The fourth proportional to 12,131,804.55, 18,192,647.53 and 4,938,455.37 is: 7,405,623.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131,804.55 : 18,192,647.53 = 4,938,455.37 : x
  2. Step 2: Convert to fraction form
    12,131,804.55/18,192,647.53 = 4,938,455.37/x
  3. Step 3: Cross multiply
    12,131,804.55x = 18,192,647.53 × 4,938,455.37
  4. Step 4: Simplify right side
    12,131,804.55x = 89,843,577,889,045.75
  5. Step 5: Solve for x
    x = 89,843,577,889,045.75/12,131,804.55
  6. Step 6: Final answer
    x = 7,405,623.58

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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.