Finding the Fourth Proportional to 14,305,204.55, 19,740,581.58 and 8,110,668.09
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Solution
The fourth proportional to 14,305,204.55, 19,740,581.58 and 8,110,668.09 is: 11,192,381.39
Step by Step Solution
- Step 1: Write the proportion equation
14,305,204.55 : 19,740,581.58 = 8,110,668.09 : x - Step 2: Convert to fraction form
14,305,204.55/19,740,581.58 = 8,110,668.09/x - Step 3: Cross multiply
14,305,204.55x = 19,740,581.58 × 8,110,668.09 - Step 4: Simplify right side
14,305,204.55x = 160,109,305,098,947.75 - Step 5: Solve for x
x = 160,109,305,098,947.75/14,305,204.55 - Step 6: Final answer
x = 11,192,381.39
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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.