Finding the Fourth Proportional to 31,703,006.07, 43,750,316.16 and 17,764,390.80
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Solution
The fourth proportional to 31,703,006.07, 43,750,316.16 and 17,764,390.80 is: 24,514,953.32
Step by Step Solution
- Step 1: Write the proportion equation
31,703,006.07 : 43,750,316.16 = 17,764,390.80 : x - Step 2: Convert to fraction form
31,703,006.07/43,750,316.16 = 17,764,390.80/x - Step 3: Cross multiply
31,703,006.07x = 43,750,316.16 × 17,764,390.80 - Step 4: Simplify right side
31,703,006.07x = 777,197,713,889,795.25 - Step 5: Solve for x
x = 777,197,713,889,795.25/31,703,006.07 - Step 6: Final answer
x = 24,514,953.32
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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.