Finding the Fourth Proportional to 18,497,385.60, 27,745,556.80 and 5,034,330.24
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Solution
The fourth proportional to 18,497,385.60, 27,745,556.80 and 5,034,330.24 is: 7,551,353.40
Step by Step Solution
- Step 1: Write the proportion equation
18,497,385.60 : 27,745,556.80 = 5,034,330.24 : x - Step 2: Convert to fraction form
18,497,385.60/27,745,556.80 = 5,034,330.24/x - Step 3: Cross multiply
18,497,385.60x = 27,745,556.80 × 5,034,330.24 - Step 4: Simplify right side
18,497,385.60x = 139,680,295,623,877.64 - Step 5: Solve for x
x = 139,680,295,623,877.64/18,497,385.60 - Step 6: Final answer
x = 7,551,353.40
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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.