Finding the Fourth Proportional to 28,541,182.92, 39,386,858.19 and 15,488,441.97
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Solution
The fourth proportional to 28,541,182.92, 39,386,858.19 and 15,488,441.97 is: 21,374,063.90
Step by Step Solution
- Step 1: Write the proportion equation
28,541,182.92 : 39,386,858.19 = 15,488,441.97 : x - Step 2: Convert to fraction form
28,541,182.92/39,386,858.19 = 15,488,441.97/x - Step 3: Cross multiply
28,541,182.92x = 39,386,858.19 × 15,488,441.97 - Step 4: Simplify right side
28,541,182.92x = 610,041,067,456,434.25 - Step 5: Solve for x
x = 610,041,067,456,434.25/28,541,182.92 - Step 6: Final answer
x = 21,374,063.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.