Finding the Fourth Proportional to 10,233,709.68, 14,122,480.08 and 5,649,997.44
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Solution
The fourth proportional to 10,233,709.68, 14,122,480.08 and 5,649,997.44 is: 7,796,974.78
Step by Step Solution
- Step 1: Write the proportion equation
10,233,709.68 : 14,122,480.08 = 5,649,997.44 : x - Step 2: Convert to fraction form
10,233,709.68/14,122,480.08 = 5,649,997.44/x - Step 3: Cross multiply
10,233,709.68x = 14,122,480.08 × 5,649,997.44 - Step 4: Simplify right side
10,233,709.68x = 79,791,976,298,451 - Step 5: Solve for x
x = 79,791,976,298,451/10,233,709.68 - Step 6: Final answer
x = 7,796,974.78
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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.