Finding the Fourth Proportional to 10,672,185.65, 14,727,620.75 and 5,777,407.62
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Solution
The fourth proportional to 10,672,185.65, 14,727,620.75 and 5,777,407.62 is: 7,972,824.98
Step by Step Solution
- Step 1: Write the proportion equation
10,672,185.65 : 14,727,620.75 = 5,777,407.62 : x - Step 2: Convert to fraction form
10,672,185.65/14,727,620.75 = 5,777,407.62/x - Step 3: Cross multiply
10,672,185.65x = 14,727,620.75 × 5,777,407.62 - Step 4: Simplify right side
10,672,185.65x = 85,087,468,316,633.08 - Step 5: Solve for x
x = 85,087,468,316,633.08/10,672,185.65 - Step 6: Final answer
x = 7,972,824.98
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1.5x scale
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.