Finding the Fourth Proportional to 10,672,211.65, 14,727,656.63 and 5,777,433.62
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Solution
The fourth proportional to 10,672,211.65, 14,727,656.63 and 5,777,433.62 is: 7,972,860.86
Step by Step Solution
- Step 1: Write the proportion equation
10,672,211.65 : 14,727,656.63 = 5,777,433.62 : x - Step 2: Convert to fraction form
10,672,211.65/14,727,656.63 = 5,777,433.62/x - Step 3: Cross multiply
10,672,211.65x = 14,727,656.63 × 5,777,433.62 - Step 4: Simplify right side
10,672,211.65x = 85,088,058,557,977.91 - Step 5: Solve for x
x = 85,088,058,557,977.91/10,672,211.65 - Step 6: Final answer
x = 7,972,860.86
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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.