Finding the Fourth Proportional to 12,067,954.80, 18,122,927.40 and 6,399,250.80
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Solution
The fourth proportional to 12,067,954.80, 18,122,927.40 and 6,399,250.80 is: 9,610,009.28
Step by Step Solution
- Step 1: Write the proportion equation
12,067,954.80 : 18,122,927.40 = 6,399,250.80 : x - Step 2: Convert to fraction form
12,067,954.80/18,122,927.40 = 6,399,250.80/x - Step 3: Cross multiply
12,067,954.80x = 18,122,927.40 × 6,399,250.80 - Step 4: Simplify right side
12,067,954.80x = 115,973,157,662,791.91 - Step 5: Solve for x
x = 115,973,157,662,791.91/12,067,954.80 - Step 6: Final answer
x = 9,610,009.28
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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.