Finding the Fourth Proportional to 19,957,901.57, 27,541,852.37 and 11,137,260.37
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Solution
The fourth proportional to 19,957,901.57, 27,541,852.37 and 11,137,260.37 is: 15,369,390.40
Step by Step Solution
- Step 1: Write the proportion equation
19,957,901.57 : 27,541,852.37 = 11,137,260.37 : x - Step 2: Convert to fraction form
19,957,901.57/27,541,852.37 = 11,137,260.37/x - Step 3: Cross multiply
19,957,901.57x = 27,541,852.37 × 11,137,260.37 - Step 4: Simplify right side
19,957,901.57x = 306,740,780,808,208.62 - Step 5: Solve for x
x = 306,740,780,808,208.62/19,957,901.57 - Step 6: Final answer
x = 15,369,390.40
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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.