Finding the Fourth Proportional to 18,424,154.98, 27,599,221.05 and 9,174,260.44
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Solution
The fourth proportional to 18,424,154.98, 27,599,221.05 and 9,174,260.44 is: 13,742,960.92
Step by Step Solution
- Step 1: Write the proportion equation
18,424,154.98 : 27,599,221.05 = 9,174,260.44 : x - Step 2: Convert to fraction form
18,424,154.98/27,599,221.05 = 9,174,260.44/x - Step 3: Cross multiply
18,424,154.98x = 27,599,221.05 × 9,174,260.44 - Step 4: Simplify right side
18,424,154.98x = 253,202,441,853,830.25 - Step 5: Solve for x
x = 253,202,441,853,830.25/18,424,154.98 - Step 6: Final answer
x = 13,742,960.92
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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.