Home / 30,884,382.09-42,621,231.66-16,945,733.49

Finding the Fourth Proportional to 30,884,382.09, 42,621,231.66 and 16,945,733.49

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Solution

The fourth proportional to 30,884,382.09, 42,621,231.66 and 16,945,733.49 is: 23,385,542.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,884,382.09 : 42,621,231.66 = 16,945,733.49 : x
  2. Step 2: Convert to fraction form
    30,884,382.09/42,621,231.66 = 16,945,733.49/x
  3. Step 3: Cross multiply
    30,884,382.09x = 42,621,231.66 × 16,945,733.49
  4. Step 4: Simplify right side
    30,884,382.09x = 722,248,032,725,910.12
  5. Step 5: Solve for x
    x = 722,248,032,725,910.12/30,884,382.09
  6. Step 6: Final answer
    x = 23,385,542.59

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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.