Finding the Fourth Proportional to 10,861,478.04, 14,988,354.84 and 6,512,963.88
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Solution
The fourth proportional to 10,861,478.04, 14,988,354.84 and 6,512,963.88 is: 8,987,599.42
Step by Step Solution
- Step 1: Write the proportion equation
10,861,478.04 : 14,988,354.84 = 6,512,963.88 : x - Step 2: Convert to fraction form
10,861,478.04/14,988,354.84 = 6,512,963.88/x - Step 3: Cross multiply
10,861,478.04x = 14,988,354.84 × 6,512,963.88 - Step 4: Simplify right side
10,861,478.04x = 97,618,613,693,543.17 - Step 5: Solve for x
x = 97,618,613,693,543.17/10,861,478.04 - Step 6: Final answer
x = 8,987,599.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.