Home / 16,307,989.16-22,505,039.46-8,965,947.20

Finding the Fourth Proportional to 16,307,989.16, 22,505,039.46 and 8,965,947.20

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Solution

The fourth proportional to 16,307,989.16, 22,505,039.46 and 8,965,947.20 is: 12,373,015.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,307,989.16 : 22,505,039.46 = 8,965,947.20 : x
  2. Step 2: Convert to fraction form
    16,307,989.16/22,505,039.46 = 8,965,947.20/x
  3. Step 3: Cross multiply
    16,307,989.16x = 22,505,039.46 × 8,965,947.20
  4. Step 4: Simplify right side
    16,307,989.16x = 201,778,995,419,751.34
  5. Step 5: Solve for x
    x = 201,778,995,419,751.34/16,307,989.16
  6. Step 6: Final answer
    x = 12,373,015.06

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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.