Finding the Fourth Proportional to 11,117,564.99, 15,342,081.01 and 6,155,532.12
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Solution
The fourth proportional to 11,117,564.99, 15,342,081.01 and 6,155,532.12 is: 8,494,546.48
Step by Step Solution
- Step 1: Write the proportion equation
11,117,564.99 : 15,342,081.01 = 6,155,532.12 : x - Step 2: Convert to fraction form
11,117,564.99/15,342,081.01 = 6,155,532.12/x - Step 3: Cross multiply
11,117,564.99x = 15,342,081.01 × 6,155,532.12 - Step 4: Simplify right side
11,117,564.99x = 94,438,672,486,841.02 - Step 5: Solve for x
x = 94,438,672,486,841.02/11,117,564.99 - Step 6: Final answer
x = 8,494,546.48
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1.5x scale
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.