Finding the Fourth Proportional to 15,082,835.67, 22,631,211.50 and 6,887,990.08
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Solution
The fourth proportional to 15,082,835.67, 22,631,211.50 and 6,887,990.08 is: 10,335,162.68
Step by Step Solution
- Step 1: Write the proportion equation
15,082,835.67 : 22,631,211.50 = 6,887,990.08 : x - Step 2: Convert to fraction form
15,082,835.67/22,631,211.50 = 6,887,990.08/x - Step 3: Cross multiply
15,082,835.67x = 22,631,211.50 × 6,887,990.08 - Step 4: Simplify right side
15,082,835.67x = 155,883,560,310,381.91 - Step 5: Solve for x
x = 155,883,560,310,381.91/15,082,835.67 - Step 6: Final answer
x = 10,335,162.68
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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.