Finding the Fourth Proportional to 31,534,802.80, 47,288,380.20 and 14,489,810.80
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Solution
The fourth proportional to 31,534,802.80, 47,288,380.20 and 14,489,810.80 is: 21,728,364.26
Step by Step Solution
- Step 1: Write the proportion equation
31,534,802.80 : 47,288,380.20 = 14,489,810.80 : x - Step 2: Convert to fraction form
31,534,802.80/47,288,380.20 = 14,489,810.80/x - Step 3: Cross multiply
31,534,802.80x = 47,288,380.20 × 14,489,810.80 - Step 4: Simplify right side
31,534,802.80x = 685,199,682,136,466.25 - Step 5: Solve for x
x = 685,199,682,136,466.25/31,534,802.80 - Step 6: Final answer
x = 21,728,364.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.