Finding the Fourth Proportional to 11,553,510.74, 15,944,342.94 and 6,396,872.14
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Solution
The fourth proportional to 11,553,510.74, 15,944,342.94 and 6,396,872.14 is: 8,827,959.35
Step by Step Solution
- Step 1: Write the proportion equation
11,553,510.74 : 15,944,342.94 = 6,396,872.14 : x - Step 2: Convert to fraction form
11,553,510.74/15,944,342.94 = 6,396,872.14/x - Step 3: Cross multiply
11,553,510.74x = 15,944,342.94 × 6,396,872.14 - Step 4: Simplify right side
11,553,510.74x = 101,993,923,143,491.69 - Step 5: Solve for x
x = 101,993,923,143,491.69/11,553,510.74 - Step 6: Final answer
x = 8,827,959.35
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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.