Home / 19,086,906.64-28,621,512.60-7,116,428.56

Finding the Fourth Proportional to 19,086,906.64, 28,621,512.60 and 7,116,428.56

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Solution

The fourth proportional to 19,086,906.64, 28,621,512.60 and 7,116,428.56 is: 10,671,344.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,086,906.64 : 28,621,512.60 = 7,116,428.56 : x
  2. Step 2: Convert to fraction form
    19,086,906.64/28,621,512.60 = 7,116,428.56/x
  3. Step 3: Cross multiply
    19,086,906.64x = 28,621,512.60 × 7,116,428.56
  4. Step 4: Simplify right side
    19,086,906.64x = 203,682,949,697,039.84
  5. Step 5: Solve for x
    x = 203,682,949,697,039.84/19,086,906.64
  6. Step 6: Final answer
    x = 10,671,344.16

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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.