Finding the Fourth Proportional to 12,084,780.72, 16,677,209.97 and 6,578,313.84
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Solution
The fourth proportional to 12,084,780.72, 16,677,209.97 and 6,578,313.84 is: 9,078,188.81
Step by Step Solution
- Step 1: Write the proportion equation
12,084,780.72 : 16,677,209.97 = 6,578,313.84 : x - Step 2: Convert to fraction form
12,084,780.72/16,677,209.97 = 6,578,313.84/x - Step 3: Cross multiply
12,084,780.72x = 16,677,209.97 × 6,578,313.84 - Step 4: Simplify right side
12,084,780.72x = 109,707,921,158,236.98 - Step 5: Solve for x
x = 109,707,921,158,236.98/12,084,780.72 - Step 6: Final answer
x = 9,078,188.81
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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.