Finding the Fourth Proportional to 18,453,581.84, 27,681,126.84 and 6,331,381.04
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Solution
The fourth proportional to 18,453,581.84, 27,681,126.84 and 6,331,381.04 is: 9,497,330.28
Step by Step Solution
- Step 1: Write the proportion equation
18,453,581.84 : 27,681,126.84 = 6,331,381.04 : x - Step 2: Convert to fraction form
18,453,581.84/27,681,126.84 = 6,331,381.04/x - Step 3: Cross multiply
18,453,581.84x = 27,681,126.84 × 6,331,381.04 - Step 4: Simplify right side
18,453,581.84x = 175,259,761,640,611.12 - Step 5: Solve for x
x = 175,259,761,640,611.12/18,453,581.84 - Step 6: Final answer
x = 9,497,330.28
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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.