Finding the Fourth Proportional to 19,475,514.05, 26,875,415.17 and 11,215,887.55
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Solution
The fourth proportional to 19,475,514.05, 26,875,415.17 and 11,215,887.55 is: 15,477,467.43
Step by Step Solution
- Step 1: Write the proportion equation
19,475,514.05 : 26,875,415.17 = 11,215,887.55 : x - Step 2: Convert to fraction form
19,475,514.05/26,875,415.17 = 11,215,887.55/x - Step 3: Cross multiply
19,475,514.05x = 26,875,415.17 × 11,215,887.55 - Step 4: Simplify right side
19,475,514.05x = 301,431,634,311,055.88 - Step 5: Solve for x
x = 301,431,634,311,055.88/19,475,514.05 - Step 6: Final answer
x = 15,477,467.43
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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.