Finding the Fourth Proportional to 12,289,197.96, 18,436,175.10 and 4,715,574.84
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Solution
The fourth proportional to 12,289,197.96, 18,436,175.10 and 4,715,574.84 is: 7,074,274.80
Step by Step Solution
- Step 1: Write the proportion equation
12,289,197.96 : 18,436,175.10 = 4,715,574.84 : x - Step 2: Convert to fraction form
12,289,197.96/18,436,175.10 = 4,715,574.84/x - Step 3: Cross multiply
12,289,197.96x = 18,436,175.10 × 4,715,574.84 - Step 4: Simplify right side
12,289,197.96x = 86,937,163,447,394.48 - Step 5: Solve for x
x = 86,937,163,447,394.48/12,289,197.96 - Step 6: Final answer
x = 7,074,274.80
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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.