Finding the Fourth Proportional to 7,311,403.24, 10,090,108.92 and 4,048,578.52
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Solution
The fourth proportional to 7,311,403.24, 10,090,108.92 and 4,048,578.52 is: 5,587,244.60
Step by Step Solution
- Step 1: Write the proportion equation
7,311,403.24 : 10,090,108.92 = 4,048,578.52 : x - Step 2: Convert to fraction form
7,311,403.24/10,090,108.92 = 4,048,578.52/x - Step 3: Cross multiply
7,311,403.24x = 10,090,108.92 × 4,048,578.52 - Step 4: Simplify right side
7,311,403.24x = 40,850,598,237,972.40 - Step 5: Solve for x
x = 40,850,598,237,972.40/7,311,403.24 - Step 6: Final answer
x = 5,587,244.60
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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.