Finding the Fourth Proportional to 13,035,609.60, 19,555,747.20 and 5,463,340.80
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Solution
The fourth proportional to 13,035,609.60, 19,555,747.20 and 5,463,340.80 is: 8,195,988.90
Step by Step Solution
- Step 1: Write the proportion equation
13,035,609.60 : 19,555,747.20 = 5,463,340.80 : x - Step 2: Convert to fraction form
13,035,609.60/19,555,747.20 = 5,463,340.80/x - Step 3: Cross multiply
13,035,609.60x = 19,555,747.20 × 5,463,340.80 - Step 4: Simplify right side
13,035,609.60x = 106,839,711,552,245.75 - Step 5: Solve for x
x = 106,839,711,552,245.75/13,035,609.60 - Step 6: Final answer
x = 8,195,988.90
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1.5x scale
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.