Finding the Fourth Proportional to 13,182,923.84, 18,192,580.42 and 7,302,648.09
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Solution
The fourth proportional to 13,182,923.84, 18,192,580.42 and 7,302,648.09 is: 10,077,734.98
Step by Step Solution
- Step 1: Write the proportion equation
13,182,923.84 : 18,192,580.42 = 7,302,648.09 : x - Step 2: Convert to fraction form
13,182,923.84/18,192,580.42 = 7,302,648.09/x - Step 3: Cross multiply
13,182,923.84x = 18,192,580.42 × 7,302,648.09 - Step 4: Simplify right side
13,182,923.84x = 132,854,012,656,284.41 - Step 5: Solve for x
x = 132,854,012,656,284.41/13,182,923.84 - Step 6: Final answer
x = 10,077,734.98
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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.