Finding the Fourth Proportional to 11,419,653.12, 15,760,117.81 and 6,264,011.12
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Solution
The fourth proportional to 11,419,653.12, 15,760,117.81 and 6,264,011.12 is: 8,644,881.95
Step by Step Solution
- Step 1: Write the proportion equation
11,419,653.12 : 15,760,117.81 = 6,264,011.12 : x - Step 2: Convert to fraction form
11,419,653.12/15,760,117.81 = 6,264,011.12/x - Step 3: Cross multiply
11,419,653.12x = 15,760,117.81 × 6,264,011.12 - Step 4: Simplify right side
11,419,653.12x = 98,721,553,196,795.08 - Step 5: Solve for x
x = 98,721,553,196,795.08/11,419,653.12 - Step 6: Final answer
x = 8,644,881.95
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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.