Home / 8,686,318.28-11,987,133.24-4,818,839.36

Finding the Fourth Proportional to 8,686,318.28, 11,987,133.24 and 4,818,839.36

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Solution

The fourth proportional to 8,686,318.28, 11,987,133.24 and 4,818,839.36 is: 6,650,006.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686,318.28 : 11,987,133.24 = 4,818,839.36 : x
  2. Step 2: Convert to fraction form
    8,686,318.28/11,987,133.24 = 4,818,839.36/x
  3. Step 3: Cross multiply
    8,686,318.28x = 11,987,133.24 × 4,818,839.36
  4. Step 4: Simplify right side
    8,686,318.28x = 57,764,069,470,476.33
  5. Step 5: Solve for x
    x = 57,764,069,470,476.33/8,686,318.28
  6. Step 6: Final answer
    x = 6,650,006.09

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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.