Finding the Fourth Proportional to 18,580,839.98, 27,871,540.13 and 6,450,688.63
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Solution
The fourth proportional to 18,580,839.98, 27,871,540.13 and 6,450,688.63 is: 9,676,130.20
Step by Step Solution
- Step 1: Write the proportion equation
18,580,839.98 : 27,871,540.13 = 6,450,688.63 : x - Step 2: Convert to fraction form
18,580,839.98/27,871,540.13 = 6,450,688.63/x - Step 3: Cross multiply
18,580,839.98x = 27,871,540.13 × 6,450,688.63 - Step 4: Simplify right side
18,580,839.98x = 179,790,626,877,822 - Step 5: Solve for x
x = 179,790,626,877,822/18,580,839.98 - Step 6: Final answer
x = 9,676,130.20
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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.