Finding the Fourth Proportional to 12,235,095.63, 16,884,865.25 and 6,728,896.67
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Solution
The fourth proportional to 12,235,095.63, 16,884,865.25 and 6,728,896.67 is: 9,286,115.69
Step by Step Solution
- Step 1: Write the proportion equation
12,235,095.63 : 16,884,865.25 = 6,728,896.67 : x - Step 2: Convert to fraction form
12,235,095.63/16,884,865.25 = 6,728,896.67/x - Step 3: Cross multiply
12,235,095.63x = 16,884,865.25 × 6,728,896.67 - Step 4: Simplify right side
12,235,095.63x = 113,616,513,461,288.28 - Step 5: Solve for x
x = 113,616,513,461,288.28/12,235,095.63 - Step 6: Final answer
x = 9,286,115.69
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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.