Finding the Fourth Proportional to 27,971,828.48, 38,598,771.84 and 17,104,712.96
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Solution
The fourth proportional to 27,971,828.48, 38,598,771.84 and 17,104,712.96 is: 23,603,065.97
Step by Step Solution
- Step 1: Write the proportion equation
27,971,828.48 : 38,598,771.84 = 17,104,712.96 : x - Step 2: Convert to fraction form
27,971,828.48/38,598,771.84 = 17,104,712.96/x - Step 3: Cross multiply
27,971,828.48x = 38,598,771.84 × 17,104,712.96 - Step 4: Simplify right side
27,971,828.48x = 660,220,912,931,731.12 - Step 5: Solve for x
x = 660,220,912,931,731.12/27,971,828.48 - Step 6: Final answer
x = 23,603,065.97
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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.