Finding the Fourth Proportional to 11,582,468.24, 15,970,636.68 and 7,390,514.12
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Solution
The fourth proportional to 11,582,468.24, 15,970,636.68 and 7,390,514.12 is: 10,190,506.33
Step by Step Solution
- Step 1: Write the proportion equation
11,582,468.24 : 15,970,636.68 = 7,390,514.12 : x - Step 2: Convert to fraction form
11,582,468.24/15,970,636.68 = 7,390,514.12/x - Step 3: Cross multiply
11,582,468.24x = 15,970,636.68 × 7,390,514.12 - Step 4: Simplify right side
11,582,468.24x = 118,031,215,888,929.92 - Step 5: Solve for x
x = 118,031,215,888,929.92/11,582,468.24 - Step 6: Final answer
x = 10,190,506.33
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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.