Home / 30,629,984.04-42,269,657.22-16,879,441.32

Finding the Fourth Proportional to 30,629,984.04, 42,269,657.22 and 16,879,441.32

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Solution

The fourth proportional to 30,629,984.04, 42,269,657.22 and 16,879,441.32 is: 23,293,782.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,629,984.04 : 42,269,657.22 = 16,879,441.32 : x
  2. Step 2: Convert to fraction form
    30,629,984.04/42,269,657.22 = 16,879,441.32/x
  3. Step 3: Cross multiply
    30,629,984.04x = 42,269,657.22 × 16,879,441.32
  4. Step 4: Simplify right side
    30,629,984.04x = 713,488,198,661,504.38
  5. Step 5: Solve for x
    x = 713,488,198,661,504.38/30,629,984.04
  6. Step 6: Final answer
    x = 23,293,782.91

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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.