Finding the Fourth Proportional to 16,251,087.88, 22,428,105.06 and 9,282,806.68
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Solution
The fourth proportional to 16,251,087.88, 22,428,105.06 and 9,282,806.68 is: 12,811,189.32
Step by Step Solution
- Step 1: Write the proportion equation
16,251,087.88 : 22,428,105.06 = 9,282,806.68 : x - Step 2: Convert to fraction form
16,251,087.88/22,428,105.06 = 9,282,806.68/x - Step 3: Cross multiply
16,251,087.88x = 22,428,105.06 × 9,282,806.68 - Step 4: Simplify right side
16,251,087.88x = 208,195,763,470,709.78 - Step 5: Solve for x
x = 208,195,763,470,709.78/16,251,087.88 - Step 6: Final answer
x = 12,811,189.32
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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.