Finding the Fourth Proportional to 10,869,884.07, 15,007,663.23 and 8,350,772.17
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Solution
The fourth proportional to 10,869,884.07, 15,007,663.23 and 8,350,772.17 is: 11,529,614.82
Step by Step Solution
- Step 1: Write the proportion equation
10,869,884.07 : 15,007,663.23 = 8,350,772.17 : x - Step 2: Convert to fraction form
10,869,884.07/15,007,663.23 = 8,350,772.17/x - Step 3: Cross multiply
10,869,884.07x = 15,007,663.23 × 8,350,772.17 - Step 4: Simplify right side
10,869,884.07x = 125,325,576,437,816.31 - Step 5: Solve for x
x = 125,325,576,437,816.31/10,869,884.07 - Step 6: Final answer
x = 11,529,614.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.