Finding the Fourth Proportional to 19,541,614.21, 29,312,670.76 and 5,164,557.78
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Solution
The fourth proportional to 19,541,614.21, 29,312,670.76 and 5,164,557.78 is: 7,746,902.59
Step by Step Solution
- Step 1: Write the proportion equation
19,541,614.21 : 29,312,670.76 = 5,164,557.78 : x - Step 2: Convert to fraction form
19,541,614.21/29,312,670.76 = 5,164,557.78/x - Step 3: Cross multiply
19,541,614.21x = 29,312,670.76 × 5,164,557.78 - Step 4: Simplify right side
19,541,614.21x = 151,386,981,826,136.53 - Step 5: Solve for x
x = 151,386,981,826,136.53/19,541,614.21 - Step 6: Final answer
x = 7,746,902.59
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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.