Finding the Fourth Proportional to 19,620,063.75, 27,075,687.98 and 11,035,359.75
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Solution
The fourth proportional to 19,620,063.75, 27,075,687.98 and 11,035,359.75 is: 15,228,796.46
Step by Step Solution
- Step 1: Write the proportion equation
19,620,063.75 : 27,075,687.98 = 11,035,359.75 : x - Step 2: Convert to fraction form
19,620,063.75/27,075,687.98 = 11,035,359.75/x - Step 3: Cross multiply
19,620,063.75x = 27,075,687.98 × 11,035,359.75 - Step 4: Simplify right side
19,620,063.75x = 298,789,957,282,874 - Step 5: Solve for x
x = 298,789,957,282,874/19,620,063.75 - Step 6: Final answer
x = 15,228,796.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.