Finding the Fourth Proportional to 14,351,350.80, 21,514,833.68 and 6,679,450.79
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Solution
The fourth proportional to 14,351,350.80, 21,514,833.68 and 6,679,450.79 is: 10,013,501.50
Step by Step Solution
- Step 1: Write the proportion equation
14,351,350.80 : 21,514,833.68 = 6,679,450.79 : x - Step 2: Convert to fraction form
14,351,350.80/21,514,833.68 = 6,679,450.79/x - Step 3: Cross multiply
14,351,350.80x = 21,514,833.68 × 6,679,450.79 - Step 4: Simplify right side
14,351,350.80x = 143,707,272,797,875.72 - Step 5: Solve for x
x = 143,707,272,797,875.72/14,351,350.80 - Step 6: Final answer
x = 10,013,501.50
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1.5x scale
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.