Finding the Fourth Proportional to 18,170,563.02, 25,075,675.80 and 9,910,625.31
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Solution
The fourth proportional to 18,170,563.02, 25,075,675.80 and 9,910,625.31 is: 13,676,825.92
Step by Step Solution
- Step 1: Write the proportion equation
18,170,563.02 : 25,075,675.80 = 9,910,625.31 : x - Step 2: Convert to fraction form
18,170,563.02/25,075,675.80 = 9,910,625.31/x - Step 3: Cross multiply
18,170,563.02x = 25,075,675.80 × 9,910,625.31 - Step 4: Simplify right side
18,170,563.02x = 248,515,627,248,834.53 - Step 5: Solve for x
x = 248,515,627,248,834.53/18,170,563.02 - Step 6: Final answer
x = 13,676,825.92
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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.