Home / 12,786,112.36-19,186,735.26-4,704,763

Finding the Fourth Proportional to 12,786,112.36, 19,186,735.26 and 4,704,763

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Solution

The fourth proportional to 12,786,112.36, 19,186,735.26 and 4,704,763 is: 7,059,928.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786,112.36 : 19,186,735.26 = 4,704,763 : x
  2. Step 2: Convert to fraction form
    12,786,112.36/19,186,735.26 = 4,704,763/x
  3. Step 3: Cross multiply
    12,786,112.36x = 19,186,735.26 × 4,704,763
  4. Step 4: Simplify right side
    12,786,112.36x = 90,269,042,142,043.39
  5. Step 5: Solve for x
    x = 90,269,042,142,043.39/12,786,112.36
  6. Step 6: Final answer
    x = 7,059,928.74

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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.