Finding the Fourth Proportional to 7,118,774.04, 9,823,859.10 and 3,855,514.08
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Solution
The fourth proportional to 7,118,774.04, 9,823,859.10 and 3,855,514.08 is: 5,320,582.85
Step by Step Solution
- Step 1: Write the proportion equation
7,118,774.04 : 9,823,859.10 = 3,855,514.08 : x - Step 2: Convert to fraction form
7,118,774.04/9,823,859.10 = 3,855,514.08/x - Step 3: Cross multiply
7,118,774.04x = 9,823,859.10 × 3,855,514.08 - Step 4: Simplify right side
7,118,774.04x = 37,876,027,079,986.12 - Step 5: Solve for x
x = 37,876,027,079,986.12/7,118,774.04 - Step 6: Final answer
x = 5,320,582.85
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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.