Finding the Fourth Proportional to 18,424,911.48, 27,640,909.62 and 7,064,474.16
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Solution
The fourth proportional to 18,424,911.48, 27,640,909.62 and 7,064,474.16 is: 10,598,069.47
Step by Step Solution
- Step 1: Write the proportion equation
18,424,911.48 : 27,640,909.62 = 7,064,474.16 : x - Step 2: Convert to fraction form
18,424,911.48/27,640,909.62 = 7,064,474.16/x - Step 3: Cross multiply
18,424,911.48x = 27,640,909.62 × 7,064,474.16 - Step 4: Simplify right side
18,424,911.48x = 195,268,491,769,385.44 - Step 5: Solve for x
x = 195,268,491,769,385.44/18,424,911.48 - Step 6: Final answer
x = 10,598,069.47
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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.