Finding the Fourth Proportional to 19,786,502.70, 29,679,754.05 and 16,427,270.70
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Solution
The fourth proportional to 19,786,502.70, 29,679,754.05 and 16,427,270.70 is: 24,640,906.05
Step by Step Solution
- Step 1: Write the proportion equation
19,786,502.70 : 29,679,754.05 = 16,427,270.70 : x - Step 2: Convert to fraction form
19,786,502.70/29,679,754.05 = 16,427,270.70/x - Step 3: Cross multiply
19,786,502.70x = 29,679,754.05 × 16,427,270.70 - Step 4: Simplify right side
19,786,502.70x = 487,557,354,088,771.31 - Step 5: Solve for x
x = 487,557,354,088,771.31/19,786,502.70 - Step 6: Final answer
x = 24,640,906.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.