Home / 7,897,831.88-11,837,792.05-3,629,179.67

Finding the Fourth Proportional to 7,897,831.88, 11,837,792.05 and 3,629,179.67

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Solution

The fourth proportional to 7,897,831.88, 11,837,792.05 and 3,629,179.67 is: 5,439,654.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897,831.88 : 11,837,792.05 = 3,629,179.67 : x
  2. Step 2: Convert to fraction form
    7,897,831.88/11,837,792.05 = 3,629,179.67/x
  3. Step 3: Cross multiply
    7,897,831.88x = 11,837,792.05 × 3,629,179.67
  4. Step 4: Simplify right side
    7,897,831.88x = 42,961,474,177,285.71
  5. Step 5: Solve for x
    x = 42,961,474,177,285.71/7,897,831.88
  6. Step 6: Final answer
    x = 5,439,654.18

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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.