Finding the Fourth Proportional to 7,518,514.96, 10,375,438.80 and 4,255,948.48
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Solution
The fourth proportional to 7,518,514.96, 10,375,438.80 and 4,255,948.48 is: 5,873,145.59
Step by Step Solution
- Step 1: Write the proportion equation
7,518,514.96 : 10,375,438.80 = 4,255,948.48 : x - Step 2: Convert to fraction form
7,518,514.96/10,375,438.80 = 4,255,948.48/x - Step 3: Cross multiply
7,518,514.96x = 10,375,438.80 × 4,255,948.48 - Step 4: Simplify right side
7,518,514.96x = 44,157,332,990,193.03 - Step 5: Solve for x
x = 44,157,332,990,193.03/7,518,514.96 - Step 6: Final answer
x = 5,873,145.59
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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.