Finding the Fourth Proportional to 11,345,218.99, 15,656,502.13 and 6,188,603.47
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Solution
The fourth proportional to 11,345,218.99, 15,656,502.13 and 6,188,603.47 is: 8,540,327.30
Step by Step Solution
- Step 1: Write the proportion equation
11,345,218.99 : 15,656,502.13 = 6,188,603.47 : x - Step 2: Convert to fraction form
11,345,218.99/15,656,502.13 = 6,188,603.47/x - Step 3: Cross multiply
11,345,218.99x = 15,656,502.13 × 6,188,603.47 - Step 4: Simplify right side
11,345,218.99x = 96,891,883,409,780.39 - Step 5: Solve for x
x = 96,891,883,409,780.39/11,345,218.99 - Step 6: Final answer
x = 8,540,327.30
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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.