Finding the Fourth Proportional to 12,070,409.09, 16,656,832.37 and 6,637,901.09
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Solution
The fourth proportional to 12,070,409.09, 16,656,832.37 and 6,637,901.09 is: 9,160,120.83
Step by Step Solution
- Step 1: Write the proportion equation
12,070,409.09 : 16,656,832.37 = 6,637,901.09 : x - Step 2: Convert to fraction form
12,070,409.09/16,656,832.37 = 6,637,901.09/x - Step 3: Cross multiply
12,070,409.09x = 16,656,832.37 × 6,637,901.09 - Step 4: Simplify right side
12,070,409.09x = 110,566,405,678,080.88 - Step 5: Solve for x
x = 110,566,405,678,080.88/12,070,409.09 - Step 6: Final answer
x = 9,160,120.83
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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.