Finding the Fourth Proportional to 10,698,631.40, 14,760,236.76 and 7,029,524.12
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Solution
The fourth proportional to 10,698,631.40, 14,760,236.76 and 7,029,524.12 is: 9,698,197.50
Step by Step Solution
- Step 1: Write the proportion equation
10,698,631.40 : 14,760,236.76 = 7,029,524.12 : x - Step 2: Convert to fraction form
10,698,631.40/14,760,236.76 = 7,029,524.12/x - Step 3: Cross multiply
10,698,631.40x = 14,760,236.76 × 7,029,524.12 - Step 4: Simplify right side
10,698,631.40x = 103,757,440,321,330.66 - Step 5: Solve for x
x = 103,757,440,321,330.66/10,698,631.40 - Step 6: Final answer
x = 9,698,197.50
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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.