Finding the Fourth Proportional to 7,958,617.92, 10,982,569.68 and 4,866,350.04
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Solution
The fourth proportional to 7,958,617.92, 10,982,569.68 and 4,866,350.04 is: 6,715,365.52
Step by Step Solution
- Step 1: Write the proportion equation
7,958,617.92 : 10,982,569.68 = 4,866,350.04 : x - Step 2: Convert to fraction form
7,958,617.92/10,982,569.68 = 4,866,350.04/x - Step 3: Cross multiply
7,958,617.92x = 10,982,569.68 × 4,866,350.04 - Step 4: Simplify right side
7,958,617.92x = 53,445,028,401,570.79 - Step 5: Solve for x
x = 53,445,028,401,570.79/7,958,617.92 - Step 6: Final answer
x = 6,715,365.52
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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.