Finding the Fourth Proportional to 10,678,106.88, 14,723,979.88 and 6,804,492.48
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Solution
The fourth proportional to 10,678,106.88, 14,723,979.88 and 6,804,492.48 is: 9,382,675.37
Step by Step Solution
- Step 1: Write the proportion equation
10,678,106.88 : 14,723,979.88 = 6,804,492.48 : x - Step 2: Convert to fraction form
10,678,106.88/14,723,979.88 = 6,804,492.48/x - Step 3: Cross multiply
10,678,106.88x = 14,723,979.88 × 6,804,492.48 - Step 4: Simplify right side
10,678,106.88x = 100,189,210,369,131.31 - Step 5: Solve for x
x = 100,189,210,369,131.31/10,678,106.88 - Step 6: Final answer
x = 9,382,675.37
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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.