Finding the Fourth Proportional to 18,090,608.08, 24,965,195.16 and 9,830,668.72
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Solution
The fourth proportional to 18,090,608.08, 24,965,195.16 and 9,830,668.72 is: 13,566,407.61
Step by Step Solution
- Step 1: Write the proportion equation
18,090,608.08 : 24,965,195.16 = 9,830,668.72 : x - Step 2: Convert to fraction form
18,090,608.08/24,965,195.16 = 9,830,668.72/x - Step 3: Cross multiply
18,090,608.08x = 24,965,195.16 × 9,830,668.72 - Step 4: Simplify right side
18,090,608.08x = 245,424,563,148,107.41 - Step 5: Solve for x
x = 245,424,563,148,107.41/18,090,608.08 - Step 6: Final answer
x = 13,566,407.61
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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.