Finding the Fourth Proportional to 8,835,313.20, 13,259,968.20 and 3,446,545.20
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Solution
The fourth proportional to 8,835,313.20, 13,259,968.20 and 3,446,545.20 is: 5,172,547.79
Step by Step Solution
- Step 1: Write the proportion equation
8,835,313.20 : 13,259,968.20 = 3,446,545.20 : x - Step 2: Convert to fraction form
8,835,313.20/13,259,968.20 = 3,446,545.20/x - Step 3: Cross multiply
8,835,313.20x = 13,259,968.20 × 3,446,545.20 - Step 4: Simplify right side
8,835,313.20x = 45,701,079,751,862.64 - Step 5: Solve for x
x = 45,701,079,751,862.64/8,835,313.20 - Step 6: Final answer
x = 5,172,547.79
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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.