Finding the Fourth Proportional to 8,768,748.97, 13,153,129.85 and 2,379,000.79
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Solution
The fourth proportional to 8,768,748.97, 13,153,129.85 and 2,379,000.79 is: 3,568,502.92
Step by Step Solution
- Step 1: Write the proportion equation
8,768,748.97 : 13,153,129.85 = 2,379,000.79 : x - Step 2: Convert to fraction form
8,768,748.97/13,153,129.85 = 2,379,000.79/x - Step 3: Cross multiply
8,768,748.97x = 13,153,129.85 × 2,379,000.79 - Step 4: Simplify right side
8,768,748.97x = 31,291,306,304,122.58 - Step 5: Solve for x
x = 31,291,306,304,122.58/8,768,748.97 - Step 6: Final answer
x = 3,568,502.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.