Finding the Fourth Proportional to 21,186,766.49, 31,780,444.95 and 6,040,697.99
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Solution
The fourth proportional to 21,186,766.49, 31,780,444.95 and 6,040,697.99 is: 9,061,131.15
Step by Step Solution
- Step 1: Write the proportion equation
21,186,766.49 : 31,780,444.95 = 6,040,697.99 : x - Step 2: Convert to fraction form
21,186,766.49/31,780,444.95 = 6,040,697.99/x - Step 3: Cross multiply
21,186,766.49x = 31,780,444.95 × 6,040,697.99 - Step 4: Simplify right side
21,186,766.49x = 191,976,069,771,868.44 - Step 5: Solve for x
x = 191,976,069,771,868.44/21,186,766.49 - Step 6: Final answer
x = 9,061,131.15
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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.