Finding the Fourth Proportional to 33,060,770.19, 45,622,699.22 and 18,175,985.85
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Solution
The fourth proportional to 33,060,770.19, 45,622,699.22 and 18,175,985.85 is: 25,082,220.73
Step by Step Solution
- Step 1: Write the proportion equation
33,060,770.19 : 45,622,699.22 = 18,175,985.85 : x - Step 2: Convert to fraction form
33,060,770.19/45,622,699.22 = 18,175,985.85/x - Step 3: Cross multiply
33,060,770.19x = 45,622,699.22 × 18,175,985.85 - Step 4: Simplify right side
33,060,770.19x = 829,237,535,370,646.25 - Step 5: Solve for x
x = 829,237,535,370,646.25/33,060,770.19 - Step 6: Final answer
x = 25,082,220.73
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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.