Finding the Fourth Proportional to 16,049,292.65, 22,148,065.91 and 8,707,125.41
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Solution
The fourth proportional to 16,049,292.65, 22,148,065.91 and 8,707,125.41 is: 12,015,855.87
Step by Step Solution
- Step 1: Write the proportion equation
16,049,292.65 : 22,148,065.91 = 8,707,125.41 : x - Step 2: Convert to fraction form
16,049,292.65/22,148,065.91 = 8,707,125.41/x - Step 3: Cross multiply
16,049,292.65x = 22,148,065.91 × 8,707,125.41 - Step 4: Simplify right side
16,049,292.65x = 192,845,987,313,039.81 - Step 5: Solve for x
x = 192,845,987,313,039.81/16,049,292.65 - Step 6: Final answer
x = 12,015,855.87
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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.