Finding the Fourth Proportional to 30,266,173.08, 41,768,327.52 and 16,515,891.72
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Solution
The fourth proportional to 30,266,173.08, 41,768,327.52 and 16,515,891.72 is: 22,792,480.99
Step by Step Solution
- Step 1: Write the proportion equation
30,266,173.08 : 41,768,327.52 = 16,515,891.72 : x - Step 2: Convert to fraction form
30,266,173.08/41,768,327.52 = 16,515,891.72/x - Step 3: Cross multiply
30,266,173.08x = 41,768,327.52 × 16,515,891.72 - Step 4: Simplify right side
30,266,173.08x = 689,841,174,645,816.25 - Step 5: Solve for x
x = 689,841,174,645,816.25/30,266,173.08 - Step 6: Final answer
x = 22,792,480.99
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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.