Finding the Fourth Proportional to 9,727,170.06, 13,423,747.77 and 5,376,324.99
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Solution
The fourth proportional to 9,727,170.06, 13,423,747.77 and 5,376,324.99 is: 7,419,468.37
Step by Step Solution
- Step 1: Write the proportion equation
9,727,170.06 : 13,423,747.77 = 5,376,324.99 : x - Step 2: Convert to fraction form
9,727,170.06/13,423,747.77 = 5,376,324.99/x - Step 3: Cross multiply
9,727,170.06x = 13,423,747.77 × 5,376,324.99 - Step 4: Simplify right side
9,727,170.06x = 72,170,430,595,307.77 - Step 5: Solve for x
x = 72,170,430,595,307.77/9,727,170.06 - Step 6: Final answer
x = 7,419,468.37
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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.