Home / 8,721,970.75-13,085,869.39-3,863,617.23

Finding the Fourth Proportional to 8,721,970.75, 13,085,869.39 and 3,863,617.23

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Solution

The fourth proportional to 8,721,970.75, 13,085,869.39 and 3,863,617.23 is: 5,796,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721,970.75 : 13,085,869.39 = 3,863,617.23 : x
  2. Step 2: Convert to fraction form
    8,721,970.75/13,085,869.39 = 3,863,617.23/x
  3. Step 3: Cross multiply
    8,721,970.75x = 13,085,869.39 × 3,863,617.23
  4. Step 4: Simplify right side
    8,721,970.75x = 50,558,790,432,271.38
  5. Step 5: Solve for x
    x = 50,558,790,432,271.38/8,721,970.75
  6. Step 6: Final answer
    x = 5,796,716.35

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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.