Finding the Fourth Proportional to 7,646,127.36, 11,471,771.52 and 3,385,708.80
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Solution
The fourth proportional to 7,646,127.36, 11,471,771.52 and 3,385,708.80 is: 5,079,705.84
Step by Step Solution
- Step 1: Write the proportion equation
7,646,127.36 : 11,471,771.52 = 3,385,708.80 : x - Step 2: Convert to fraction form
7,646,127.36/11,471,771.52 = 3,385,708.80/x - Step 3: Cross multiply
7,646,127.36x = 11,471,771.52 × 3,385,708.80 - Step 4: Simplify right side
7,646,127.36x = 38,840,077,786,853.38 - Step 5: Solve for x
x = 38,840,077,786,853.38/7,646,127.36 - Step 6: Final answer
x = 5,079,705.84
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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.