Finding the Fourth Proportional to 11,286,067.98, 15,575,734.35 and 6,392,160.67
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Solution
The fourth proportional to 11,286,067.98, 15,575,734.35 and 6,392,160.67 is: 8,821,725.75
Step by Step Solution
- Step 1: Write the proportion equation
11,286,067.98 : 15,575,734.35 = 6,392,160.67 : x - Step 2: Convert to fraction form
11,286,067.98/15,575,734.35 = 6,392,160.67/x - Step 3: Cross multiply
11,286,067.98x = 15,575,734.35 × 6,392,160.67 - Step 4: Simplify right side
11,286,067.98x = 99,562,596,477,111.91 - Step 5: Solve for x
x = 99,562,596,477,111.91/11,286,067.98 - Step 6: Final answer
x = 8,821,725.75
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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.