Finding the Fourth Proportional to 11,286,066.06, 15,575,731.68 and 6,392,158.75
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Solution
The fourth proportional to 11,286,066.06, 15,575,731.68 and 6,392,158.75 is: 8,821,723.09
Step by Step Solution
- Step 1: Write the proportion equation
11,286,066.06 : 15,575,731.68 = 6,392,158.75 : x - Step 2: Convert to fraction form
11,286,066.06/15,575,731.68 = 6,392,158.75/x - Step 3: Cross multiply
11,286,066.06x = 15,575,731.68 × 6,392,158.75 - Step 4: Simplify right side
11,286,066.06x = 99,562,549,589,404.45 - Step 5: Solve for x
x = 99,562,549,589,404.45/11,286,066.06 - Step 6: Final answer
x = 8,821,723.09
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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.