Finding the Fourth Proportional to 7,306,195.09, 10,083,620.10 and 4,208,115.49
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Solution
The fourth proportional to 7,306,195.09, 10,083,620.10 and 4,208,115.49 is: 5,807,816.16
Step by Step Solution
- Step 1: Write the proportion equation
7,306,195.09 : 10,083,620.10 = 4,208,115.49 : x - Step 2: Convert to fraction form
7,306,195.09/10,083,620.10 = 4,208,115.49/x - Step 3: Cross multiply
7,306,195.09x = 10,083,620.10 × 4,208,115.49 - Step 4: Simplify right side
7,306,195.09x = 42,433,037,938,085.35 - Step 5: Solve for x
x = 42,433,037,938,085.35/7,306,195.09 - Step 6: Final answer
x = 5,807,816.16
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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.