Home / 8,721,971.75-13,085,870.89-3,863,618.23

Finding the Fourth Proportional to 8,721,971.75, 13,085,870.89 and 3,863,618.23

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Solution

The fourth proportional to 8,721,971.75, 13,085,870.89 and 3,863,618.23 is: 5,796,717.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721,971.75 : 13,085,870.89 = 3,863,618.23 : x
  2. Step 2: Convert to fraction form
    8,721,971.75/13,085,870.89 = 3,863,618.23/x
  3. Step 3: Cross multiply
    8,721,971.75x = 13,085,870.89 × 3,863,618.23
  4. Step 4: Simplify right side
    8,721,971.75x = 50,558,809,326,030.33
  5. Step 5: Solve for x
    x = 50,558,809,326,030.33/8,721,971.75
  6. Step 6: Final answer
    x = 5,796,717.85

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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.