Finding the Fourth Proportional to 12,114,479.05, 16,717,981.19 and 6,607,853.62
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Solution
The fourth proportional to 12,114,479.05, 16,717,981.19 and 6,607,853.62 is: 9,118,838.05
Step by Step Solution
- Step 1: Write the proportion equation
12,114,479.05 : 16,717,981.19 = 6,607,853.62 : x - Step 2: Convert to fraction form
12,114,479.05/16,717,981.19 = 6,607,853.62/x - Step 3: Cross multiply
12,114,479.05x = 16,717,981.19 × 6,607,853.62 - Step 4: Simplify right side
12,114,479.05x = 110,469,972,525,433.41 - Step 5: Solve for x
x = 110,469,972,525,433.41/12,114,479.05 - Step 6: Final answer
x = 9,118,838.05
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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.