Finding the Fourth Proportional to 25,868,236.02, 38,786,724.73 and 10,308,457.99
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Solution
The fourth proportional to 25,868,236.02, 38,786,724.73 and 10,308,457.99 is: 15,456,458.73
Step by Step Solution
- Step 1: Write the proportion equation
25,868,236.02 : 38,786,724.73 = 10,308,457.99 : x - Step 2: Convert to fraction form
25,868,236.02/38,786,724.73 = 10,308,457.99/x - Step 3: Cross multiply
25,868,236.02x = 38,786,724.73 × 10,308,457.99 - Step 4: Simplify right side
25,868,236.02x = 399,831,322,448,899.06 - Step 5: Solve for x
x = 399,831,322,448,899.06/25,868,236.02 - Step 6: Final answer
x = 15,456,458.73
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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.