Finding the Fourth Proportional to 10,479,960.32, 15,719,940.48 and 2,906,926.08
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Solution
The fourth proportional to 10,479,960.32, 15,719,940.48 and 2,906,926.08 is: 4,360,389.12
Step by Step Solution
- Step 1: Write the proportion equation
10,479,960.32 : 15,719,940.48 = 2,906,926.08 : x - Step 2: Convert to fraction form
10,479,960.32/15,719,940.48 = 2,906,926.08/x - Step 3: Cross multiply
10,479,960.32x = 15,719,940.48 × 2,906,926.08 - Step 4: Simplify right side
10,479,960.32x = 45,696,704,957,359.72 - Step 5: Solve for x
x = 45,696,704,957,359.72/10,479,960.32 - Step 6: Final answer
x = 4,360,389.12
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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.