Home / 11,871,198-16,382,254.32-6,714,448.56

Finding the Fourth Proportional to 11,871,198, 16,382,254.32 and 6,714,448.56

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Solution

The fourth proportional to 11,871,198, 16,382,254.32 and 6,714,448.56 is: 9,265,939.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871,198 : 16,382,254.32 = 6,714,448.56 : x
  2. Step 2: Convert to fraction form
    11,871,198/16,382,254.32 = 6,714,448.56/x
  3. Step 3: Cross multiply
    11,871,198x = 16,382,254.32 × 6,714,448.56
  4. Step 4: Simplify right side
    11,871,198x = 109,997,803,928,477.78
  5. Step 5: Solve for x
    x = 109,997,803,928,477.78/11,871,198
  6. Step 6: Final answer
    x = 9,265,939.62

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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.