Finding the Fourth Proportional to 11,195,465.67, 15,454,509.62 and 7,526,510.19
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Solution
The fourth proportional to 11,195,465.67, 15,454,509.62 and 7,526,510.19 is: 10,389,788.82
Step by Step Solution
- Step 1: Write the proportion equation
11,195,465.67 : 15,454,509.62 = 7,526,510.19 : x - Step 2: Convert to fraction form
11,195,465.67/15,454,509.62 = 7,526,510.19/x - Step 3: Cross multiply
11,195,465.67x = 15,454,509.62 × 7,526,510.19 - Step 4: Simplify right side
11,195,465.67x = 116,318,524,098,750.48 - Step 5: Solve for x
x = 116,318,524,098,750.48/11,195,465.67 - Step 6: Final answer
x = 10,389,788.82
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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.