Finding the Fourth Proportional to 51,557,824.49, 77,373,675.45 and 18,768,324.84
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Solution
The fourth proportional to 51,557,824.49, 77,373,675.45 and 18,768,324.84 is: 28,165,933.87
Step by Step Solution
- Step 1: Write the proportion equation
51,557,824.49 : 77,373,675.45 = 18,768,324.84 : x - Step 2: Convert to fraction form
51,557,824.49/77,373,675.45 = 18,768,324.84/x - Step 3: Cross multiply
51,557,824.49x = 77,373,675.45 × 18,768,324.84 - Step 4: Simplify right side
51,557,824.49x = 1,452,174,274,910,333.25 - Step 5: Solve for x
x = 1,452,174,274,910,333.25/51,557,824.49 - Step 6: Final answer
x = 28,165,933.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.