Home / 19,178,110.24-28,766,968.52-11,085,936.86

Finding the Fourth Proportional to 19,178,110.24, 28,766,968.52 and 11,085,936.86

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Solution

The fourth proportional to 19,178,110.24, 28,766,968.52 and 11,085,936.86 is: 16,628,791.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178,110.24 : 28,766,968.52 = 11,085,936.86 : x
  2. Step 2: Convert to fraction form
    19,178,110.24/28,766,968.52 = 11,085,936.86/x
  3. Step 3: Cross multiply
    19,178,110.24x = 28,766,968.52 × 11,085,936.86
  4. Step 4: Simplify right side
    19,178,110.24x = 318,908,796,765,959.94
  5. Step 5: Solve for x
    x = 318,908,796,765,959.94/19,178,110.24
  6. Step 6: Final answer
    x = 16,628,791.51

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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.