Finding the Fourth Proportional to 10,180,514.72, 14,049,201.74 and 5,534,308.70
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Solution
The fourth proportional to 10,180,514.72, 14,049,201.74 and 5,534,308.70 is: 7,637,395.70
Step by Step Solution
- Step 1: Write the proportion equation
10,180,514.72 : 14,049,201.74 = 5,534,308.70 : x - Step 2: Convert to fraction form
10,180,514.72/14,049,201.74 = 5,534,308.70/x - Step 3: Cross multiply
10,180,514.72x = 14,049,201.74 × 5,534,308.70 - Step 4: Simplify right side
10,180,514.72x = 77,752,619,372,504.09 - Step 5: Solve for x
x = 77,752,619,372,504.09/10,180,514.72 - Step 6: Final answer
x = 7,637,395.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.