Finding the Fourth Proportional to 11,431,648.13, 15,775,691.69 and 6,204,658.17
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Solution
The fourth proportional to 11,431,648.13, 15,775,691.69 and 6,204,658.17 is: 8,562,437.65
Step by Step Solution
- Step 1: Write the proportion equation
11,431,648.13 : 15,775,691.69 = 6,204,658.17 : x - Step 2: Convert to fraction form
11,431,648.13/15,775,691.69 = 6,204,658.17/x - Step 3: Cross multiply
11,431,648.13x = 15,775,691.69 × 6,204,658.17 - Step 4: Simplify right side
11,431,648.13x = 97,882,774,252,881.14 - Step 5: Solve for x
x = 97,882,774,252,881.14/11,431,648.13 - Step 6: Final answer
x = 8,562,437.65
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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.