Home / 13,269,636.06-18,311,508.72-7,389,573.56

Finding the Fourth Proportional to 13,269,636.06, 18,311,508.72 and 7,389,573.56

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Solution

The fourth proportional to 13,269,636.06, 18,311,508.72 and 7,389,573.56 is: 10,197,283.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,636.06 : 18,311,508.72 = 7,389,573.56 : x
  2. Step 2: Convert to fraction form
    13,269,636.06/18,311,508.72 = 7,389,573.56/x
  3. Step 3: Cross multiply
    13,269,636.06x = 18,311,508.72 × 7,389,573.56
  4. Step 4: Simplify right side
    13,269,636.06x = 135,314,240,681,021.42
  5. Step 5: Solve for x
    x = 135,314,240,681,021.42/13,269,636.06
  6. Step 6: Final answer
    x = 10,197,283.49

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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.