Finding the Fourth Proportional to 11,726,729.17, 16,183,855.79 and 6,501,377.05
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Solution
The fourth proportional to 11,726,729.17, 16,183,855.79 and 6,501,377.05 is: 8,972,437.85
Step by Step Solution
- Step 1: Write the proportion equation
11,726,729.17 : 16,183,855.79 = 6,501,377.05 : x - Step 2: Convert to fraction form
11,726,729.17/16,183,855.79 = 6,501,377.05/x - Step 3: Cross multiply
11,726,729.17x = 16,183,855.79 × 6,501,377.05 - Step 4: Simplify right side
11,726,729.17x = 105,217,348,613,615.61 - Step 5: Solve for x
x = 105,217,348,613,615.61/11,726,729.17 - Step 6: Final answer
x = 8,972,437.85
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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.