Home / 28,831,690.92-39,783,806.46-17,226,801.48

Finding the Fourth Proportional to 28,831,690.92, 39,783,806.46 and 17,226,801.48

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Solution

The fourth proportional to 28,831,690.92, 39,783,806.46 and 17,226,801.48 is: 23,770,639.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,831,690.92 : 39,783,806.46 = 17,226,801.48 : x
  2. Step 2: Convert to fraction form
    28,831,690.92/39,783,806.46 = 17,226,801.48/x
  3. Step 3: Cross multiply
    28,831,690.92x = 39,783,806.46 × 17,226,801.48
  4. Step 4: Simplify right side
    28,831,690.92x = 685,347,736,005,161.62
  5. Step 5: Solve for x
    x = 685,347,736,005,161.62/28,831,690.92
  6. Step 6: Final answer
    x = 23,770,639.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.