Finding the Fourth Proportional to 7,457,419.17, 11,186,369.33 and 2,066,121.54
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Solution
The fourth proportional to 7,457,419.17, 11,186,369.33 and 2,066,121.54 is: 3,099,248.96
Step by Step Solution
- Step 1: Write the proportion equation
7,457,419.17 : 11,186,369.33 = 2,066,121.54 : x - Step 2: Convert to fraction form
7,457,419.17/11,186,369.33 = 2,066,121.54/x - Step 3: Cross multiply
7,457,419.17x = 11,186,369.33 × 2,066,121.54 - Step 4: Simplify right side
7,457,419.17x = 23,112,398,616,777.76 - Step 5: Solve for x
x = 23,112,398,616,777.76/7,457,419.17 - Step 6: Final answer
x = 3,099,248.96
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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.