Finding the Fourth Proportional to 13,762,060.80, 18,992,792.96 and 7,651,057.92
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Solution
The fourth proportional to 13,762,060.80, 18,992,792.96 and 7,651,057.92 is: 10,559,098.75
Step by Step Solution
- Step 1: Write the proportion equation
13,762,060.80 : 18,992,792.96 = 7,651,057.92 : x - Step 2: Convert to fraction form
13,762,060.80/18,992,792.96 = 7,651,057.92/x - Step 3: Cross multiply
13,762,060.80x = 18,992,792.96 × 7,651,057.92 - Step 4: Simplify right side
13,762,060.80x = 145,314,958,999,528.25 - Step 5: Solve for x
x = 145,314,958,999,528.25/13,762,060.80 - Step 6: Final answer
x = 10,559,098.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.