Finding the Fourth Proportional to 18,453,673.64, 27,681,279.60 and 6,331,475.27
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Solution
The fourth proportional to 18,453,673.64, 27,681,279.60 and 6,331,475.27 is: 9,497,476.80
Step by Step Solution
- Step 1: Write the proportion equation
18,453,673.64 : 27,681,279.60 = 6,331,475.27 : x - Step 2: Convert to fraction form
18,453,673.64/27,681,279.60 = 6,331,475.27/x - Step 3: Cross multiply
18,453,673.64x = 27,681,279.60 × 6,331,475.27 - Step 4: Simplify right side
18,453,673.64x = 175,263,337,229,355.50 - Step 5: Solve for x
x = 175,263,337,229,355.50/18,453,673.64 - Step 6: Final answer
x = 9,497,476.80
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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.