Finding the Fourth Proportional to 19,236,616.24, 26,546,615.27 and 10,534,849.42
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Solution
The fourth proportional to 19,236,616.24, 26,546,615.27 and 10,534,849.42 is: 14,538,138.67
Step by Step Solution
- Step 1: Write the proportion equation
19,236,616.24 : 26,546,615.27 = 10,534,849.42 : x - Step 2: Convert to fraction form
19,236,616.24/26,546,615.27 = 10,534,849.42/x - Step 3: Cross multiply
19,236,616.24x = 26,546,615.27 × 10,534,849.42 - Step 4: Simplify right side
19,236,616.24x = 279,664,594,420,727.94 - Step 5: Solve for x
x = 279,664,594,420,727.94/19,236,616.24 - Step 6: Final answer
x = 14,538,138.67
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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.