Finding the Fourth Proportional to 47,913,828.47, 66,121,083.59 and 27,289,193.75
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Solution
The fourth proportional to 47,913,828.47, 66,121,083.59 and 27,289,193.75 is: 37,659,087.55
Step by Step Solution
- Step 1: Write the proportion equation
47,913,828.47 : 66,121,083.59 = 27,289,193.75 : x - Step 2: Convert to fraction form
47,913,828.47/66,121,083.59 = 27,289,193.75/x - Step 3: Cross multiply
47,913,828.47x = 66,121,083.59 × 27,289,193.75 - Step 4: Simplify right side
47,913,828.47x = 1,804,391,060,981,832.75 - Step 5: Solve for x
x = 1,804,391,060,981,832.75/47,913,828.47 - Step 6: Final answer
x = 37,659,087.55
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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.