Finding the Fourth Proportional to 11,667,545.48, 16,101,213.18 and 6,440,555
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Solution
The fourth proportional to 11,667,545.48, 16,101,213.18 and 6,440,555 is: 8,887,966.13
Step by Step Solution
- Step 1: Write the proportion equation
11,667,545.48 : 16,101,213.18 = 6,440,555 : x - Step 2: Convert to fraction form
11,667,545.48/16,101,213.18 = 6,440,555/x - Step 3: Cross multiply
11,667,545.48x = 16,101,213.18 × 6,440,555 - Step 4: Simplify right side
11,667,545.48x = 103,700,749,052,514.89 - Step 5: Solve for x
x = 103,700,749,052,514.89/11,667,545.48 - Step 6: Final answer
x = 8,887,966.13
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1.5x scale
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.