Finding the Fourth Proportional to 8,652,982.55, 11,942,614.28 and 5,215,227.53
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Solution
The fourth proportional to 8,652,982.55, 11,942,614.28 and 5,215,227.53 is: 7,197,917.07
Step by Step Solution
- Step 1: Write the proportion equation
8,652,982.55 : 11,942,614.28 = 5,215,227.53 : x - Step 2: Convert to fraction form
8,652,982.55/11,942,614.28 = 5,215,227.53/x - Step 3: Cross multiply
8,652,982.55x = 11,942,614.28 × 5,215,227.53 - Step 4: Simplify right side
8,652,982.55x = 62,283,450,726,552.13 - Step 5: Solve for x
x = 62,283,450,726,552.13/8,652,982.55 - Step 6: Final answer
x = 7,197,917.07
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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.