Finding the Fourth Proportional to 8,971,409.80, 13,457,114.70 and 8,971,409.80
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Solution
The fourth proportional to 8,971,409.80, 13,457,114.70 and 8,971,409.80 is: 13,457,114.70
Step by Step Solution
- Step 1: Write the proportion equation
8,971,409.80 : 13,457,114.70 = 8,971,409.80 : x - Step 2: Convert to fraction form
8,971,409.80/13,457,114.70 = 8,971,409.80/x - Step 3: Cross multiply
8,971,409.80x = 13,457,114.70 × 8,971,409.80 - Step 4: Simplify right side
8,971,409.80x = 120,729,290,699,304.06 - Step 5: Solve for x
x = 120,729,290,699,304.06/8,971,409.80 - Step 6: Final answer
x = 13,457,114.70
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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.