Finding the Fourth Proportional to 14,202,517.80, 21,303,776.70 and 14,202,517.80
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Solution
The fourth proportional to 14,202,517.80, 21,303,776.70 and 14,202,517.80 is: 21,303,776.70
Step by Step Solution
- Step 1: Write the proportion equation
14,202,517.80 : 21,303,776.70 = 14,202,517.80 : x - Step 2: Convert to fraction form
14,202,517.80/21,303,776.70 = 14,202,517.80/x - Step 3: Cross multiply
14,202,517.80x = 21,303,776.70 × 14,202,517.80 - Step 4: Simplify right side
14,202,517.80x = 302,567,267,788,975.25 - Step 5: Solve for x
x = 302,567,267,788,975.25/14,202,517.80 - Step 6: Final answer
x = 21,303,776.70
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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.