Finding the Fourth Proportional to 13,473,252.12, 20,224,985.49 and 5,391,860.65
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Solution
The fourth proportional to 13,473,252.12, 20,224,985.49 and 5,391,860.65 is: 8,093,836.77
Step by Step Solution
- Step 1: Write the proportion equation
13,473,252.12 : 20,224,985.49 = 5,391,860.65 : x - Step 2: Convert to fraction form
13,473,252.12/20,224,985.49 = 5,391,860.65/x - Step 3: Cross multiply
13,473,252.12x = 20,224,985.49 × 5,391,860.65 - Step 4: Simplify right side
13,473,252.12x = 109,050,303,410,351.97 - Step 5: Solve for x
x = 109,050,303,410,351.97/13,473,252.12 - Step 6: Final answer
x = 8,093,836.77
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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.