Finding the Fourth Proportional to 13,182,922.84, 18,192,579.04 and 7,302,647.09
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Solution
The fourth proportional to 13,182,922.84, 18,192,579.04 and 7,302,647.09 is: 10,077,733.60
Step by Step Solution
- Step 1: Write the proportion equation
13,182,922.84 : 18,192,579.04 = 7,302,647.09 : x - Step 2: Convert to fraction form
13,182,922.84/18,192,579.04 = 7,302,647.09/x - Step 3: Cross multiply
13,182,922.84x = 18,192,579.04 × 7,302,647.09 - Step 4: Simplify right side
13,182,922.84x = 132,853,984,386,050.98 - Step 5: Solve for x
x = 132,853,984,386,050.98/13,182,922.84 - Step 6: Final answer
x = 10,077,733.60
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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.