Finding the Fourth Proportional to 13,187,212.80, 19,771,372.80 and 5,093,260.80
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Solution
The fourth proportional to 13,187,212.80, 19,771,372.80 and 5,093,260.80 is: 7,636,242.74
Step by Step Solution
- Step 1: Write the proportion equation
13,187,212.80 : 19,771,372.80 = 5,093,260.80 : x - Step 2: Convert to fraction form
13,187,212.80/19,771,372.80 = 5,093,260.80/x - Step 3: Cross multiply
13,187,212.80x = 19,771,372.80 × 5,093,260.80 - Step 4: Simplify right side
13,187,212.80x = 100,700,758,044,426.23 - Step 5: Solve for x
x = 100,700,758,044,426.23/13,187,212.80 - Step 6: Final answer
x = 7,636,242.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.