Finding the Fourth Proportional to 19,088,545.12, 28,629,121.65 and 7,416,896.11
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Solution
The fourth proportional to 19,088,545.12, 28,629,121.65 and 7,416,896.11 is: 11,123,908.06
Step by Step Solution
- Step 1: Write the proportion equation
19,088,545.12 : 28,629,121.65 = 7,416,896.11 : x - Step 2: Convert to fraction form
19,088,545.12/28,629,121.65 = 7,416,896.11/x - Step 3: Cross multiply
19,088,545.12x = 28,629,121.65 × 7,416,896.11 - Step 4: Simplify right side
19,088,545.12x = 212,339,220,998,601.78 - Step 5: Solve for x
x = 212,339,220,998,601.78/19,088,545.12 - Step 6: Final answer
x = 11,123,908.06
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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.