Finding the Fourth Proportional to 16,105,594.68, 22,226,640.36 and 9,231,221.88
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Solution
The fourth proportional to 16,105,594.68, 22,226,640.36 and 9,231,221.88 is: 12,739,613.34
Step by Step Solution
- Step 1: Write the proportion equation
16,105,594.68 : 22,226,640.36 = 9,231,221.88 : x - Step 2: Convert to fraction form
16,105,594.68/22,226,640.36 = 9,231,221.88/x - Step 3: Cross multiply
16,105,594.68x = 22,226,640.36 × 9,231,221.88 - Step 4: Simplify right side
16,105,594.68x = 205,179,048,810,123.09 - Step 5: Solve for x
x = 205,179,048,810,123.09/16,105,594.68 - Step 6: Final answer
x = 12,739,613.34
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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.