Home / 30,887,820.97-42,625,075.94-16,949,409.28

Finding the Fourth Proportional to 30,887,820.97, 42,625,075.94 and 16,949,409.28

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Solution

The fourth proportional to 30,887,820.97, 42,625,075.94 and 16,949,409.28 is: 23,390,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,887,820.97 : 42,625,075.94 = 16,949,409.28 : x
  2. Step 2: Convert to fraction form
    30,887,820.97/42,625,075.94 = 16,949,409.28/x
  3. Step 3: Cross multiply
    30,887,820.97x = 42,625,075.94 × 16,949,409.28
  4. Step 4: Simplify right side
    30,887,820.97x = 722,469,857,485,015.25
  5. Step 5: Solve for x
    x = 722,469,857,485,015.25/30,887,820.97
  6. Step 6: Final answer
    x = 23,390,120.60

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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.