Home / 28,530,517.98-42,769,152.54-11,258,862.06

Finding the Fourth Proportional to 28,530,517.98, 42,769,152.54 and 11,258,862.06

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Solution

The fourth proportional to 28,530,517.98, 42,769,152.54 and 11,258,862.06 is: 16,877,786.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,530,517.98 : 42,769,152.54 = 11,258,862.06 : x
  2. Step 2: Convert to fraction form
    28,530,517.98/42,769,152.54 = 11,258,862.06/x
  3. Step 3: Cross multiply
    28,530,517.98x = 42,769,152.54 × 11,258,862.06
  4. Step 4: Simplify right side
    28,530,517.98x = 481,531,988,870,958.62
  5. Step 5: Solve for x
    x = 481,531,988,870,958.62/28,530,517.98
  6. Step 6: Final answer
    x = 16,877,786.42

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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.