Finding the Fourth Proportional to 8,051,291.60, 11,110,808.88 and 4,380,207.37
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Solution
The fourth proportional to 8,051,291.60, 11,110,808.88 and 4,380,207.37 is: 6,044,700.57
Step by Step Solution
- Step 1: Write the proportion equation
8,051,291.60 : 11,110,808.88 = 4,380,207.37 : x - Step 2: Convert to fraction form
8,051,291.60/11,110,808.88 = 4,380,207.37/x - Step 3: Cross multiply
8,051,291.60x = 11,110,808.88 × 4,380,207.37 - Step 4: Simplify right side
8,051,291.60x = 48,667,646,915,060.42 - Step 5: Solve for x
x = 48,667,646,915,060.42/8,051,291.60 - Step 6: Final answer
x = 6,044,700.57
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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.