Home / 13,906,443.40-20,859,665.10-12,562,750.60

Finding the Fourth Proportional to 13,906,443.40, 20,859,665.10 and 12,562,750.60

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Solution

The fourth proportional to 13,906,443.40, 20,859,665.10 and 12,562,750.60 is: 18,844,125.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906,443.40 : 20,859,665.10 = 12,562,750.60 : x
  2. Step 2: Convert to fraction form
    13,906,443.40/20,859,665.10 = 12,562,750.60/x
  3. Step 3: Cross multiply
    13,906,443.40x = 20,859,665.10 × 12,562,750.60
  4. Step 4: Simplify right side
    13,906,443.40x = 262,054,770,250,824.06
  5. Step 5: Solve for x
    x = 262,054,770,250,824.06/13,906,443.40
  6. Step 6: Final answer
    x = 18,844,125.90

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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.