Home / 12,576,670.56-18,868,993.44-4,489,472.58

Finding the Fourth Proportional to 12,576,670.56, 18,868,993.44 and 4,489,472.58

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Solution

The fourth proportional to 12,576,670.56, 18,868,993.44 and 4,489,472.58 is: 6,735,632.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576,670.56 : 18,868,993.44 = 4,489,472.58 : x
  2. Step 2: Convert to fraction form
    12,576,670.56/18,868,993.44 = 4,489,472.58/x
  3. Step 3: Cross multiply
    12,576,670.56x = 18,868,993.44 × 4,489,472.58
  4. Step 4: Simplify right side
    12,576,670.56x = 84,711,828,661,079.88
  5. Step 5: Solve for x
    x = 84,711,828,661,079.88/12,576,670.56
  6. Step 6: Final answer
    x = 6,735,632.32

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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.