Finding the Fourth Proportional to 11,885,908.25, 16,402,958.87 and 6,659,136.82
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Solution
The fourth proportional to 11,885,908.25, 16,402,958.87 and 6,659,136.82 is: 9,189,835.99
Step by Step Solution
- Step 1: Write the proportion equation
11,885,908.25 : 16,402,958.87 = 6,659,136.82 : x - Step 2: Convert to fraction form
11,885,908.25/16,402,958.87 = 6,659,136.82/x - Step 3: Cross multiply
11,885,908.25x = 16,402,958.87 × 6,659,136.82 - Step 4: Simplify right side
11,885,908.25x = 109,229,547,368,162.59 - Step 5: Solve for x
x = 109,229,547,368,162.59/11,885,908.25 - Step 6: Final answer
x = 9,189,835.99
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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.