Home / 8,666,619.28-11,963,797.14-5,728,206.18

Finding the Fourth Proportional to 8,666,619.28, 11,963,797.14 and 5,728,206.18

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Solution

The fourth proportional to 8,666,619.28, 11,963,797.14 and 5,728,206.18 is: 7,907,477.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666,619.28 : 11,963,797.14 = 5,728,206.18 : x
  2. Step 2: Convert to fraction form
    8,666,619.28/11,963,797.14 = 5,728,206.18/x
  3. Step 3: Cross multiply
    8,666,619.28x = 11,963,797.14 × 5,728,206.18
  4. Step 4: Simplify right side
    8,666,619.28x = 68,531,096,713,614.33
  5. Step 5: Solve for x
    x = 68,531,096,713,614.33/8,666,619.28
  6. Step 6: Final answer
    x = 7,907,477.47

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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.