Finding the Fourth Proportional to 8,251,581.55, 12,374,569.01 and 2,858,973.24
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Solution
The fourth proportional to 8,251,581.55, 12,374,569.01 and 2,858,973.24 is: 4,287,488.58
Step by Step Solution
- Step 1: Write the proportion equation
8,251,581.55 : 12,374,569.01 = 2,858,973.24 : x - Step 2: Convert to fraction form
8,251,581.55/12,374,569.01 = 2,858,973.24/x - Step 3: Cross multiply
8,251,581.55x = 12,374,569.01 × 2,858,973.24 - Step 4: Simplify right side
8,251,581.55x = 35,378,561,663,270.73 - Step 5: Solve for x
x = 35,378,561,663,270.73/8,251,581.55 - Step 6: Final answer
x = 4,287,488.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.