Finding the Fourth Proportional to 17,488,537.77, 24,121,685.99 and 15,161,269.06
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Solution
The fourth proportional to 17,488,537.77, 24,121,685.99 and 15,161,269.06 is: 20,911,718.08
Step by Step Solution
- Step 1: Write the proportion equation
17,488,537.77 : 24,121,685.99 = 15,161,269.06 : x - Step 2: Convert to fraction form
17,488,537.77/24,121,685.99 = 15,161,269.06/x - Step 3: Cross multiply
17,488,537.77x = 24,121,685.99 × 15,161,269.06 - Step 4: Simplify right side
17,488,537.77x = 365,715,371,543,277.75 - Step 5: Solve for x
x = 365,715,371,543,277.75/17,488,537.77 - Step 6: Final answer
x = 20,911,718.08
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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.