Home / 20,733,674.55-31,100,511.84-13,194,064.95

Finding the Fourth Proportional to 20,733,674.55, 31,100,511.84 and 13,194,064.95

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Solution

The fourth proportional to 20,733,674.55, 31,100,511.84 and 13,194,064.95 is: 19,791,097.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,674.55 : 31,100,511.84 = 13,194,064.95 : x
  2. Step 2: Convert to fraction form
    20,733,674.55/31,100,511.84 = 13,194,064.95/x
  3. Step 3: Cross multiply
    20,733,674.55x = 31,100,511.84 × 13,194,064.95
  4. Step 4: Simplify right side
    20,733,674.55x = 410,342,173,195,204
  5. Step 5: Solve for x
    x = 410,342,173,195,204/20,733,674.55
  6. Step 6: Final answer
    x = 19,791,097.43

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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.