Finding the Fourth Proportional to 34,187,987.97, 47,177,554.68 and 18,715,079.61
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Solution
The fourth proportional to 34,187,987.97, 47,177,554.68 and 18,715,079.61 is: 25,825,786.89
Step by Step Solution
- Step 1: Write the proportion equation
34,187,987.97 : 47,177,554.68 = 18,715,079.61 : x - Step 2: Convert to fraction form
34,187,987.97/47,177,554.68 = 18,715,079.61/x - Step 3: Cross multiply
34,187,987.97x = 47,177,554.68 × 18,715,079.61 - Step 4: Simplify right side
34,187,987.97x = 882,931,691,641,328 - Step 5: Solve for x
x = 882,931,691,641,328/34,187,987.97 - Step 6: Final answer
x = 25,825,786.89
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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.