Finding the Fourth Proportional to 21,186,764.99, 31,780,442.70 and 6,040,696.49
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Solution
The fourth proportional to 21,186,764.99, 31,780,442.70 and 6,040,696.49 is: 9,061,128.90
Step by Step Solution
- Step 1: Write the proportion equation
21,186,764.99 : 31,780,442.70 = 6,040,696.49 : x - Step 2: Convert to fraction form
21,186,764.99/31,780,442.70 = 6,040,696.49/x - Step 3: Cross multiply
21,186,764.99x = 31,780,442.70 × 6,040,696.49 - Step 4: Simplify right side
21,186,764.99x = 191,976,008,509,633.91 - Step 5: Solve for x
x = 191,976,008,509,633.91/21,186,764.99 - Step 6: Final answer
x = 9,061,128.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.