Finding the Fourth Proportional to 10,197,176.10, 15,296,272.40 and 2,911,716.42
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Solution
The fourth proportional to 10,197,176.10, 15,296,272.40 and 2,911,716.42 is: 4,367,719.75
Step by Step Solution
- Step 1: Write the proportion equation
10,197,176.10 : 15,296,272.40 = 2,911,716.42 : x - Step 2: Convert to fraction form
10,197,176.10/15,296,272.40 = 2,911,716.42/x - Step 3: Cross multiply
10,197,176.10x = 15,296,272.40 × 2,911,716.42 - Step 4: Simplify right side
10,197,176.10x = 44,538,407,461,791.07 - Step 5: Solve for x
x = 44,538,407,461,791.07/10,197,176.10 - Step 6: Final answer
x = 4,367,719.75
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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.