Finding the Fourth Proportional to 18,058,591.40, 27,087,814.05 and 6,541,363.26
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Solution
The fourth proportional to 18,058,591.40, 27,087,814.05 and 6,541,363.26 is: 9,812,018.43
Step by Step Solution
- Step 1: Write the proportion equation
18,058,591.40 : 27,087,814.05 = 6,541,363.26 : x - Step 2: Convert to fraction form
18,058,591.40/27,087,814.05 = 6,541,363.26/x - Step 3: Cross multiply
18,058,591.40x = 27,087,814.05 × 6,541,363.26 - Step 4: Simplify right side
18,058,591.40x = 177,191,231,620,381.81 - Step 5: Solve for x
x = 177,191,231,620,381.81/18,058,591.40 - Step 6: Final answer
x = 9,812,018.43
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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.