Home / 13,397,728.41-20,097,791.46-5,200,178.67

Finding the Fourth Proportional to 13,397,728.41, 20,097,791.46 and 5,200,178.67

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Solution

The fourth proportional to 13,397,728.41, 20,097,791.46 and 5,200,178.67 is: 7,800,733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397,728.41 : 20,097,791.46 = 5,200,178.67 : x
  2. Step 2: Convert to fraction form
    13,397,728.41/20,097,791.46 = 5,200,178.67/x
  3. Step 3: Cross multiply
    13,397,728.41x = 20,097,791.46 × 5,200,178.67
  4. Step 4: Simplify right side
    13,397,728.41x = 104,512,106,464,400.16
  5. Step 5: Solve for x
    x = 104,512,106,464,400.16/13,397,728.41
  6. Step 6: Final answer
    x = 7,800,733.32

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1.5x scale

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.