Home / 19,275,831.92-28,915,775.07-5,629,016.62

Finding the Fourth Proportional to 19,275,831.92, 28,915,775.07 and 5,629,016.62

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Solution

The fourth proportional to 19,275,831.92, 28,915,775.07 and 5,629,016.62 is: 8,444,116.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,275,831.92 : 28,915,775.07 = 5,629,016.62 : x
  2. Step 2: Convert to fraction form
    19,275,831.92/28,915,775.07 = 5,629,016.62/x
  3. Step 3: Cross multiply
    19,275,831.92x = 28,915,775.07 × 5,629,016.62
  4. Step 4: Simplify right side
    19,275,831.92x = 162,767,378,376,922.22
  5. Step 5: Solve for x
    x = 162,767,378,376,922.22/19,275,831.92
  6. Step 6: Final answer
    x = 8,444,116.91

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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.