Finding the Fourth Proportional to 17,756,791.80, 26,635,187.70 and 8,190,853.80
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Solution
The fourth proportional to 17,756,791.80, 26,635,187.70 and 8,190,853.80 is: 12,286,280.70
Step by Step Solution
- Step 1: Write the proportion equation
17,756,791.80 : 26,635,187.70 = 8,190,853.80 : x - Step 2: Convert to fraction form
17,756,791.80/26,635,187.70 = 8,190,853.80/x - Step 3: Cross multiply
17,756,791.80x = 26,635,187.70 × 8,190,853.80 - Step 4: Simplify right side
17,756,791.80x = 218,164,928,386,258.25 - Step 5: Solve for x
x = 218,164,928,386,258.25/17,756,791.80 - Step 6: Final answer
x = 12,286,280.70
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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.