Finding the Fourth Proportional to 19,345,175.16, 26,681,230.20 and 11,998,889.07
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Solution
The fourth proportional to 19,345,175.16, 26,681,230.20 and 11,998,889.07 is: 16,549,093.96
Step by Step Solution
- Step 1: Write the proportion equation
19,345,175.16 : 26,681,230.20 = 11,998,889.07 : x - Step 2: Convert to fraction form
19,345,175.16/26,681,230.20 = 11,998,889.07/x - Step 3: Cross multiply
19,345,175.16x = 26,681,230.20 × 11,998,889.07 - Step 4: Simplify right side
19,345,175.16x = 320,145,121,420,933.94 - Step 5: Solve for x
x = 320,145,121,420,933.94/19,345,175.16 - Step 6: Final answer
x = 16,549,093.96
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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.