Finding the Fourth Proportional to 11,344,368.20, 15,655,228.11 and 6,187,729.73
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Solution
The fourth proportional to 11,344,368.20, 15,655,228.11 and 6,187,729.73 is: 8,539,067.02
Step by Step Solution
- Step 1: Write the proportion equation
11,344,368.20 : 15,655,228.11 = 6,187,729.73 : x - Step 2: Convert to fraction form
11,344,368.20/15,655,228.11 = 6,187,729.73/x - Step 3: Cross multiply
11,344,368.20x = 15,655,228.11 × 6,187,729.73 - Step 4: Simplify right side
11,344,368.20x = 96,870,320,327,902.56 - Step 5: Solve for x
x = 96,870,320,327,902.56/11,344,368.20 - Step 6: Final answer
x = 8,539,067.02
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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.