Home / 28,083,713.70-42,125,570.55-11,906,912.10

Finding the Fourth Proportional to 28,083,713.70, 42,125,570.55 and 11,906,912.10

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Solution

The fourth proportional to 28,083,713.70, 42,125,570.55 and 11,906,912.10 is: 17,860,368.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083,713.70 : 42,125,570.55 = 11,906,912.10 : x
  2. Step 2: Convert to fraction form
    28,083,713.70/42,125,570.55 = 11,906,912.10/x
  3. Step 3: Cross multiply
    28,083,713.70x = 42,125,570.55 × 11,906,912.10
  4. Step 4: Simplify right side
    28,083,713.70x = 501,585,465,701,198.62
  5. Step 5: Solve for x
    x = 501,585,465,701,198.62/28,083,713.70
  6. Step 6: Final answer
    x = 17,860,368.15

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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.