Finding the Fourth Proportional to 11,897,849.36, 16,419,275.16 and 6,465,691.28
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Solution
The fourth proportional to 11,897,849.36, 16,419,275.16 and 6,465,691.28 is: 8,922,786.04
Step by Step Solution
- Step 1: Write the proportion equation
11,897,849.36 : 16,419,275.16 = 6,465,691.28 : x - Step 2: Convert to fraction form
11,897,849.36/16,419,275.16 = 6,465,691.28/x - Step 3: Cross multiply
11,897,849.36x = 16,419,275.16 × 6,465,691.28 - Step 4: Simplify right side
11,897,849.36x = 106,161,964,225,932.61 - Step 5: Solve for x
x = 106,161,964,225,932.61/11,897,849.36 - Step 6: Final answer
x = 8,922,786.04
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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.