Finding the Fourth Proportional to 45,588,565.20, 68,382,847.80 and 13,675,861.20
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Solution
The fourth proportional to 45,588,565.20, 68,382,847.80 and 13,675,861.20 is: 20,513,791.80
Step by Step Solution
- Step 1: Write the proportion equation
45,588,565.20 : 68,382,847.80 = 13,675,861.20 : x - Step 2: Convert to fraction form
45,588,565.20/68,382,847.80 = 13,675,861.20/x - Step 3: Cross multiply
45,588,565.20x = 68,382,847.80 × 13,675,861.20 - Step 4: Simplify right side
45,588,565.20x = 935,194,334,973,525.25 - Step 5: Solve for x
x = 935,194,334,973,525.25/45,588,565.20 - Step 6: Final answer
x = 20,513,791.80
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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.