Finding the Fourth Proportional to 28,080,946.37, 38,755,555.61 and 16,159,514.96
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Solution
The fourth proportional to 28,080,946.37, 38,755,555.61 and 16,159,514.96 is: 22,302,345.95
Step by Step Solution
- Step 1: Write the proportion equation
28,080,946.37 : 38,755,555.61 = 16,159,514.96 : x - Step 2: Convert to fraction form
28,080,946.37/38,755,555.61 = 16,159,514.96/x - Step 3: Cross multiply
28,080,946.37x = 38,755,555.61 × 16,159,514.96 - Step 4: Simplify right side
28,080,946.37x = 626,270,980,678,998.25 - Step 5: Solve for x
x = 626,270,980,678,998.25/28,080,946.37 - Step 6: Final answer
x = 22,302,345.95
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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.