Home / 13,311,738.72-18,370,186.02-7,200,152.64

Finding the Fourth Proportional to 13,311,738.72, 18,370,186.02 and 7,200,152.64

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Solution

The fourth proportional to 13,311,738.72, 18,370,186.02 and 7,200,152.64 is: 9,936,203.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311,738.72 : 18,370,186.02 = 7,200,152.64 : x
  2. Step 2: Convert to fraction form
    13,311,738.72/18,370,186.02 = 7,200,152.64/x
  3. Step 3: Cross multiply
    13,311,738.72x = 18,370,186.02 × 7,200,152.64
  4. Step 4: Simplify right side
    13,311,738.72x = 132,268,143,369,194.08
  5. Step 5: Solve for x
    x = 132,268,143,369,194.08/13,311,738.72
  6. Step 6: Final answer
    x = 9,936,203.39

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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.