Finding the Fourth Proportional to 19,329,770.09, 26,673,493.55 and 11,381,048.93
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Solution
The fourth proportional to 19,329,770.09, 26,673,493.55 and 11,381,048.93 is: 15,704,911.84
Step by Step Solution
- Step 1: Write the proportion equation
19,329,770.09 : 26,673,493.55 = 11,381,048.93 : x - Step 2: Convert to fraction form
19,329,770.09/26,673,493.55 = 11,381,048.93/x - Step 3: Cross multiply
19,329,770.09x = 26,673,493.55 × 11,381,048.93 - Step 4: Simplify right side
19,329,770.09x = 303,572,335,236,367.88 - Step 5: Solve for x
x = 303,572,335,236,367.88/19,329,770.09 - Step 6: Final answer
x = 15,704,911.84
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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.