Home / 19,189,734.54-28,789,587.09-5,726,562.54

Finding the Fourth Proportional to 19,189,734.54, 28,789,587.09 and 5,726,562.54

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Solution

The fourth proportional to 19,189,734.54, 28,789,587.09 and 5,726,562.54 is: 8,591,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,189,734.54 : 28,789,587.09 = 5,726,562.54 : x
  2. Step 2: Convert to fraction form
    19,189,734.54/28,789,587.09 = 5,726,562.54/x
  3. Step 3: Cross multiply
    19,189,734.54x = 28,789,587.09 × 5,726,562.54
  4. Step 4: Simplify right side
    19,189,734.54x = 164,865,370,971,661.59
  5. Step 5: Solve for x
    x = 164,865,370,971,661.59/19,189,734.54
  6. Step 6: Final answer
    x = 8,591,331.51

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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.