Finding the Fourth Proportional to 10,259,457.28, 14,158,467.84 and 5,675,699.68
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Solution
The fourth proportional to 10,259,457.28, 14,158,467.84 and 5,675,699.68 is: 7,832,696.14
Step by Step Solution
- Step 1: Write the proportion equation
10,259,457.28 : 14,158,467.84 = 5,675,699.68 : x - Step 2: Convert to fraction form
10,259,457.28/14,158,467.84 = 5,675,699.68/x - Step 3: Cross multiply
10,259,457.28x = 14,158,467.84 × 5,675,699.68 - Step 4: Simplify right side
10,259,457.28x = 80,359,211,388,778.28 - Step 5: Solve for x
x = 80,359,211,388,778.28/10,259,457.28 - Step 6: Final answer
x = 7,832,696.14
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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.