Finding the Fourth Proportional to 10,197,163.47, 15,296,253.47 and 2,911,703.78
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Solution
The fourth proportional to 10,197,163.47, 15,296,253.47 and 2,911,703.78 is: 4,367,700.79
Step by Step Solution
- Step 1: Write the proportion equation
10,197,163.47 : 15,296,253.47 = 2,911,703.78 : x - Step 2: Convert to fraction form
10,197,163.47/15,296,253.47 = 2,911,703.78/x - Step 3: Cross multiply
10,197,163.47x = 15,296,253.47 × 2,911,703.78 - Step 4: Simplify right side
10,197,163.47x = 44,538,158,957,397.33 - Step 5: Solve for x
x = 44,538,158,957,397.33/10,197,163.47 - Step 6: Final answer
x = 4,367,700.79
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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.