Finding the Fourth Proportional to 19,618,905.76, 29,409,265.82 and 9,381,121.36
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Solution
The fourth proportional to 19,618,905.76, 29,409,265.82 and 9,381,121.36 is: 14,062,552.47
Step by Step Solution
- Step 1: Write the proportion equation
19,618,905.76 : 29,409,265.82 = 9,381,121.36 : x - Step 2: Convert to fraction form
19,618,905.76/29,409,265.82 = 9,381,121.36/x - Step 3: Cross multiply
19,618,905.76x = 29,409,265.82 × 9,381,121.36 - Step 4: Simplify right side
19,618,905.76x = 275,891,891,715,849.56 - Step 5: Solve for x
x = 275,891,891,715,849.56/19,618,905.76 - Step 6: Final answer
x = 14,062,552.47
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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.