Finding the Fourth Proportional to 18,424,153.98, 27,599,219.55 and 9,174,259.44
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Solution
The fourth proportional to 18,424,153.98, 27,599,219.55 and 9,174,259.44 is: 13,742,959.42
Step by Step Solution
- Step 1: Write the proportion equation
18,424,153.98 : 27,599,219.55 = 9,174,259.44 : x - Step 2: Convert to fraction form
18,424,153.98/27,599,219.55 = 9,174,259.44/x - Step 3: Cross multiply
18,424,153.98x = 27,599,219.55 × 9,174,259.44 - Step 4: Simplify right side
18,424,153.98x = 253,202,400,493,220.03 - Step 5: Solve for x
x = 253,202,400,493,220.03/18,424,153.98 - Step 6: Final answer
x = 13,742,959.42
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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.