Finding the Fourth Proportional to 39,187,276.49, 58,781,102.40 and 11,893,806.24
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Solution
The fourth proportional to 39,187,276.49, 58,781,102.40 and 11,893,806.24 is: 17,840,766.32
Step by Step Solution
- Step 1: Write the proportion equation
39,187,276.49 : 58,781,102.40 = 11,893,806.24 : x - Step 2: Convert to fraction form
39,187,276.49/58,781,102.40 = 11,893,806.24/x - Step 3: Cross multiply
39,187,276.49x = 58,781,102.40 × 11,893,806.24 - Step 4: Simplify right side
39,187,276.49x = 699,131,042,519,199 - Step 5: Solve for x
x = 699,131,042,519,199/39,187,276.49 - Step 6: Final answer
x = 17,840,766.32
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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.