Finding the Fourth Proportional to 16,632,428.70, 24,948,643.05 and 7,674,476.70
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Solution
The fourth proportional to 16,632,428.70, 24,948,643.05 and 7,674,476.70 is: 11,511,715.05
Step by Step Solution
- Step 1: Write the proportion equation
16,632,428.70 : 24,948,643.05 = 7,674,476.70 : x - Step 2: Convert to fraction form
16,632,428.70/24,948,643.05 = 7,674,476.70/x - Step 3: Cross multiply
16,632,428.70x = 24,948,643.05 × 7,674,476.70 - Step 4: Simplify right side
16,632,428.70x = 191,467,779,783,841.94 - Step 5: Solve for x
x = 191,467,779,783,841.94/16,632,428.70 - Step 6: Final answer
x = 11,511,715.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.