Finding the Fourth Proportional to 14,776,186.44, 20,390,939.15 and 8,249,916
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Solution
The fourth proportional to 14,776,186.44, 20,390,939.15 and 8,249,916 is: 11,384,773.45
Step by Step Solution
- Step 1: Write the proportion equation
14,776,186.44 : 20,390,939.15 = 8,249,916 : x - Step 2: Convert to fraction form
14,776,186.44/20,390,939.15 = 8,249,916/x - Step 3: Cross multiply
14,776,186.44x = 20,390,939.15 × 8,249,916 - Step 4: Simplify right side
14,776,186.44x = 168,223,535,107,361.81 - Step 5: Solve for x
x = 168,223,535,107,361.81/14,776,186.44 - Step 6: Final answer
x = 11,384,773.45
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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.