Finding the Fourth Proportional to 34,702,490.05, 47,889,440.81 and 19,233,573.37
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Solution
The fourth proportional to 34,702,490.05, 47,889,440.81 and 19,233,573.37 is: 26,542,333.76
Step by Step Solution
- Step 1: Write the proportion equation
34,702,490.05 : 47,889,440.81 = 19,233,573.37 : x - Step 2: Convert to fraction form
34,702,490.05/47,889,440.81 = 19,233,573.37/x - Step 3: Cross multiply
34,702,490.05x = 47,889,440.81 × 19,233,573.37 - Step 4: Simplify right side
34,702,490.05x = 921,085,073,371,239.38 - Step 5: Solve for x
x = 921,085,073,371,239.38/34,702,490.05 - Step 6: Final answer
x = 26,542,333.76
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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.