Finding the Fourth Proportional to 11,445,197.20, 17,157,123.06 and 3,866,863.12
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Solution
The fourth proportional to 11,445,197.20, 17,157,123.06 and 3,866,863.12 is: 5,796,688.80
Step by Step Solution
- Step 1: Write the proportion equation
11,445,197.20 : 17,157,123.06 = 3,866,863.12 : x - Step 2: Convert to fraction form
11,445,197.20/17,157,123.06 = 3,866,863.12/x - Step 3: Cross multiply
11,445,197.20x = 17,157,123.06 × 3,866,863.12 - Step 4: Simplify right side
11,445,197.20x = 66,344,246,406,015.55 - Step 5: Solve for x
x = 66,344,246,406,015.55/11,445,197.20 - Step 6: Final answer
x = 5,796,688.80
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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.