Finding the Fourth Proportional to 7,869,908.28, 10,860,186.72 and 4,385,067
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Solution
The fourth proportional to 7,869,908.28, 10,860,186.72 and 4,385,067 is: 6,051,232.71
Step by Step Solution
- Step 1: Write the proportion equation
7,869,908.28 : 10,860,186.72 = 4,385,067 : x - Step 2: Convert to fraction form
7,869,908.28/10,860,186.72 = 4,385,067/x - Step 3: Cross multiply
7,869,908.28x = 10,860,186.72 × 4,385,067 - Step 4: Simplify right side
7,869,908.28x = 47,622,646,399,710.24 - Step 5: Solve for x
x = 47,622,646,399,710.24/7,869,908.28 - Step 6: Final answer
x = 6,051,232.71
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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.