Finding the Fourth Proportional to 10,267,950.75, 15,409,461.75 and 8,270,313.81
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Solution
The fourth proportional to 10,267,950.75, 15,409,461.75 and 8,270,313.81 is: 12,411,540.28
Step by Step Solution
- Step 1: Write the proportion equation
10,267,950.75 : 15,409,461.75 = 8,270,313.81 : x - Step 2: Convert to fraction form
10,267,950.75/15,409,461.75 = 8,270,313.81/x - Step 3: Cross multiply
10,267,950.75x = 15,409,461.75 × 8,270,313.81 - Step 4: Simplify right side
10,267,950.75x = 127,441,084,315,691.77 - Step 5: Solve for x
x = 127,441,084,315,691.77/10,267,950.75 - Step 6: Final answer
x = 12,411,540.28
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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.