Finding the Fourth Proportional to 7,383,135.40, 11,074,703.10 and 7,283,602.60
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Solution
The fourth proportional to 7,383,135.40, 11,074,703.10 and 7,283,602.60 is: 10,925,403.90
Step by Step Solution
- Step 1: Write the proportion equation
7,383,135.40 : 11,074,703.10 = 7,283,602.60 : x - Step 2: Convert to fraction form
7,383,135.40/11,074,703.10 = 7,283,602.60/x - Step 3: Cross multiply
7,383,135.40x = 11,074,703.10 × 7,283,602.60 - Step 4: Simplify right side
7,383,135.40x = 80,663,736,293,388.05 - Step 5: Solve for x
x = 80,663,736,293,388.05/7,383,135.40 - Step 6: Final answer
x = 10,925,403.90
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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.