Home / 28,856,414.84-39,821,866.44-15,804,494.60

Finding the Fourth Proportional to 28,856,414.84, 39,821,866.44 and 15,804,494.60

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Solution

The fourth proportional to 28,856,414.84, 39,821,866.44 and 15,804,494.60 is: 21,810,210.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,856,414.84 : 39,821,866.44 = 15,804,494.60 : x
  2. Step 2: Convert to fraction form
    28,856,414.84/39,821,866.44 = 15,804,494.60/x
  3. Step 3: Cross multiply
    28,856,414.84x = 39,821,866.44 × 15,804,494.60
  4. Step 4: Simplify right side
    28,856,414.84x = 629,364,473,112,901.12
  5. Step 5: Solve for x
    x = 629,364,473,112,901.12/28,856,414.84
  6. Step 6: Final answer
    x = 21,810,210.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.