Finding the Fourth Proportional to 17,469,901.80, 26,204,852.70 and 15,344,137.80
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Solution
The fourth proportional to 17,469,901.80, 26,204,852.70 and 15,344,137.80 is: 23,016,206.70
Step by Step Solution
- Step 1: Write the proportion equation
17,469,901.80 : 26,204,852.70 = 15,344,137.80 : x - Step 2: Convert to fraction form
17,469,901.80/26,204,852.70 = 15,344,137.80/x - Step 3: Cross multiply
17,469,901.80x = 26,204,852.70 × 15,344,137.80 - Step 4: Simplify right side
17,469,901.80x = 402,090,870,857,502.06 - Step 5: Solve for x
x = 402,090,870,857,502.06/17,469,901.80 - Step 6: Final answer
x = 23,016,206.70
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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.