Finding the Fourth Proportional to 13,921,414.11, 19,211,262.50 and 7,726,101.02
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Solution
The fourth proportional to 13,921,414.11, 19,211,262.50 and 7,726,101.02 is: 10,661,859.02
Step by Step Solution
- Step 1: Write the proportion equation
13,921,414.11 : 19,211,262.50 = 7,726,101.02 : x - Step 2: Convert to fraction form
13,921,414.11/19,211,262.50 = 7,726,101.02/x - Step 3: Cross multiply
13,921,414.11x = 19,211,262.50 × 7,726,101.02 - Step 4: Simplify right side
13,921,414.11x = 148,428,154,662,050.94 - Step 5: Solve for x
x = 148,428,154,662,050.94/13,921,414.11 - Step 6: Final answer
x = 10,661,859.02
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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.