Finding the Fourth Proportional to 7,110,154.24, 9,811,943.09 and 3,846,897.37
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Solution
The fourth proportional to 7,110,154.24, 9,811,943.09 and 3,846,897.37 is: 5,308,680.63
Step by Step Solution
- Step 1: Write the proportion equation
7,110,154.24 : 9,811,943.09 = 3,846,897.37 : x - Step 2: Convert to fraction form
7,110,154.24/9,811,943.09 = 3,846,897.37/x - Step 3: Cross multiply
7,110,154.24x = 9,811,943.09 × 3,846,897.37 - Step 4: Simplify right side
7,110,154.24x = 37,745,538,067,510.67 - Step 5: Solve for x
x = 37,745,538,067,510.67/7,110,154.24 - Step 6: Final answer
x = 5,308,680.63
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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.