Finding the Fourth Proportional to 10,310,191.80, 15,461,351.10 and 3,119,335.80
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Solution
The fourth proportional to 10,310,191.80, 15,461,351.10 and 3,119,335.80 is: 4,677,812.69
Step by Step Solution
- Step 1: Write the proportion equation
10,310,191.80 : 15,461,351.10 = 3,119,335.80 : x - Step 2: Convert to fraction form
10,310,191.80/15,461,351.10 = 3,119,335.80/x - Step 3: Cross multiply
10,310,191.80x = 15,461,351.10 × 3,119,335.80 - Step 4: Simplify right side
10,310,191.80x = 48,229,146,002,599.38 - Step 5: Solve for x
x = 48,229,146,002,599.38/10,310,191.80 - Step 6: Final answer
x = 4,677,812.69
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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.