Finding the Fourth Proportional to 12,114,478.05, 16,717,979.81 and 6,607,852.62
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Solution
The fourth proportional to 12,114,478.05, 16,717,979.81 and 6,607,852.62 is: 9,118,836.66
Step by Step Solution
- Step 1: Write the proportion equation
12,114,478.05 : 16,717,979.81 = 6,607,852.62 : x - Step 2: Convert to fraction form
12,114,478.05/16,717,979.81 = 6,607,852.62/x - Step 3: Cross multiply
12,114,478.05x = 16,717,979.81 × 6,607,852.62 - Step 4: Simplify right side
12,114,478.05x = 110,469,946,571,986.44 - Step 5: Solve for x
x = 110,469,946,571,986.44/12,114,478.05 - Step 6: Final answer
x = 9,118,836.66
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1.5x scale
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.