Home / 19,302,262.80-28,975,512.60-11,328,579.60

Finding the Fourth Proportional to 19,302,262.80, 28,975,512.60 and 11,328,579.60

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Solution

The fourth proportional to 19,302,262.80, 28,975,512.60 and 11,328,579.60 is: 17,005,850.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,302,262.80 : 28,975,512.60 = 11,328,579.60 : x
  2. Step 2: Convert to fraction form
    19,302,262.80/28,975,512.60 = 11,328,579.60/x
  3. Step 3: Cross multiply
    19,302,262.80x = 28,975,512.60 × 11,328,579.60
  4. Step 4: Simplify right side
    19,302,262.80x = 328,251,400,939,902.94
  5. Step 5: Solve for x
    x = 328,251,400,939,902.94/19,302,262.80
  6. Step 6: Final answer
    x = 17,005,850.78

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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.