Home / 13,853,993.84-20,782,941.48-4,270,144.88

Finding the Fourth Proportional to 13,853,993.84, 20,782,941.48 and 4,270,144.88

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Solution

The fourth proportional to 13,853,993.84, 20,782,941.48 and 4,270,144.88 is: 6,405,818.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853,993.84 : 20,782,941.48 = 4,270,144.88 : x
  2. Step 2: Convert to fraction form
    13,853,993.84/20,782,941.48 = 4,270,144.88/x
  3. Step 3: Cross multiply
    13,853,993.84x = 20,782,941.48 × 4,270,144.88
  4. Step 4: Simplify right side
    13,853,993.84x = 88,746,171,152,161.62
  5. Step 5: Solve for x
    x = 88,746,171,152,161.62/13,853,993.84
  6. Step 6: Final answer
    x = 6,405,818.58

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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.