Finding the Fourth Proportional to 11,264,246.40, 15,536,728.26 and 10,889,260.38
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Solution
The fourth proportional to 11,264,246.40, 15,536,728.26 and 10,889,260.38 is: 15,019,511.60
Step by Step Solution
- Step 1: Write the proportion equation
11,264,246.40 : 15,536,728.26 = 10,889,260.38 : x - Step 2: Convert to fraction form
11,264,246.40/15,536,728.26 = 10,889,260.38/x - Step 3: Cross multiply
11,264,246.40x = 15,536,728.26 × 10,889,260.38 - Step 4: Simplify right side
11,264,246.40x = 169,183,479,476,444.34 - Step 5: Solve for x
x = 169,183,479,476,444.34/11,264,246.40 - Step 6: Final answer
x = 15,019,511.60
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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.