Finding the Fourth Proportional to 34,472,487.48, 47,574,876.67 and 19,790,986.98
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Solution
The fourth proportional to 34,472,487.48, 47,574,876.67 and 19,790,986.98 is: 27,313,194.78
Step by Step Solution
- Step 1: Write the proportion equation
34,472,487.48 : 47,574,876.67 = 19,790,986.98 : x - Step 2: Convert to fraction form
34,472,487.48/47,574,876.67 = 19,790,986.98/x - Step 3: Cross multiply
34,472,487.48x = 47,574,876.67 × 19,790,986.98 - Step 4: Simplify right side
34,472,487.48x = 941,553,764,880,004 - Step 5: Solve for x
x = 941,553,764,880,004/34,472,487.48 - Step 6: Final answer
x = 27,313,194.78
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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.