Finding the Fourth Proportional to 12,329,251.67, 18,418,276.34 and 8,888,171.19
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Solution
The fourth proportional to 12,329,251.67, 18,418,276.34 and 8,888,171.19 is: 13,277,755.82
Step by Step Solution
- Step 1: Write the proportion equation
12,329,251.67 : 18,418,276.34 = 8,888,171.19 : x - Step 2: Convert to fraction form
12,329,251.67/18,418,276.34 = 8,888,171.19/x - Step 3: Cross multiply
12,329,251.67x = 18,418,276.34 × 8,888,171.19 - Step 4: Simplify right side
12,329,251.67x = 163,704,793,090,205.78 - Step 5: Solve for x
x = 163,704,793,090,205.78/12,329,251.67 - Step 6: Final answer
x = 13,277,755.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.