Home / 19,104,838.80-28,661,040.36-5,458,101.36

Finding the Fourth Proportional to 19,104,838.80, 28,661,040.36 and 5,458,101.36

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Solution

The fourth proportional to 19,104,838.80, 28,661,040.36 and 5,458,101.36 is: 8,188,232.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,104,838.80 : 28,661,040.36 = 5,458,101.36 : x
  2. Step 2: Convert to fraction form
    19,104,838.80/28,661,040.36 = 5,458,101.36/x
  3. Step 3: Cross multiply
    19,104,838.80x = 28,661,040.36 × 5,458,101.36
  4. Step 4: Simplify right side
    19,104,838.80x = 156,434,863,367,930.91
  5. Step 5: Solve for x
    x = 156,434,863,367,930.91/19,104,838.80
  6. Step 6: Final answer
    x = 8,188,232.57

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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.