Finding the Fourth Proportional to 38,885,663.36, 53,663,750.16 and 22,365,761.42
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Solution
The fourth proportional to 38,885,663.36, 53,663,750.16 and 22,365,761.42 is: 30,865,633.48
Step by Step Solution
- Step 1: Write the proportion equation
38,885,663.36 : 53,663,750.16 = 22,365,761.42 : x - Step 2: Convert to fraction form
38,885,663.36/53,663,750.16 = 22,365,761.42/x - Step 3: Cross multiply
38,885,663.36x = 53,663,750.16 × 22,365,761.42 - Step 4: Simplify right side
38,885,663.36x = 1,200,230,632,981,046.75 - Step 5: Solve for x
x = 1,200,230,632,981,046.75/38,885,663.36 - Step 6: Final answer
x = 30,865,633.48
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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.