Finding the Fourth Proportional to 13,233,742.20, 19,850,613.30 and 4,723,687.80
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Solution
The fourth proportional to 13,233,742.20, 19,850,613.30 and 4,723,687.80 is: 7,085,531.70
Step by Step Solution
- Step 1: Write the proportion equation
13,233,742.20 : 19,850,613.30 = 4,723,687.80 : x - Step 2: Convert to fraction form
13,233,742.20/19,850,613.30 = 4,723,687.80/x - Step 3: Cross multiply
13,233,742.20x = 19,850,613.30 × 4,723,687.80 - Step 4: Simplify right side
13,233,742.20x = 93,768,099,867,727.73 - Step 5: Solve for x
x = 93,768,099,867,727.73/13,233,742.20 - Step 6: Final answer
x = 7,085,531.70
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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.