Finding the Fourth Proportional to 11,343,846.95, 15,654,695.39 and 6,187,208.54
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Solution
The fourth proportional to 11,343,846.95, 15,654,695.39 and 6,187,208.54 is: 8,538,449.55
Step by Step Solution
- Step 1: Write the proportion equation
11,343,846.95 : 15,654,695.39 = 6,187,208.54 : x - Step 2: Convert to fraction form
11,343,846.95/15,654,695.39 = 6,187,208.54/x - Step 3: Cross multiply
11,343,846.95x = 15,654,695.39 × 6,187,208.54 - Step 4: Simplify right side
11,343,846.95x = 96,858,864,898,897.11 - Step 5: Solve for x
x = 96,858,864,898,897.11/11,343,846.95 - Step 6: Final answer
x = 8,538,449.55
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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.