Finding the Fourth Proportional to 16,772,925.12, 23,145,037.44 and 9,805,231.68
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Solution
The fourth proportional to 16,772,925.12, 23,145,037.44 and 9,805,231.68 is: 13,530,284.83
Step by Step Solution
- Step 1: Write the proportion equation
16,772,925.12 : 23,145,037.44 = 9,805,231.68 : x - Step 2: Convert to fraction form
16,772,925.12/23,145,037.44 = 9,805,231.68/x - Step 3: Cross multiply
16,772,925.12x = 23,145,037.44 × 9,805,231.68 - Step 4: Simplify right side
16,772,925.12x = 226,942,454,341,474.09 - Step 5: Solve for x
x = 226,942,454,341,474.09/16,772,925.12 - Step 6: Final answer
x = 13,530,284.83
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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.