Finding the Fourth Proportional to 18,012,140.23, 24,856,720.66 and 9,752,201.50
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Solution
The fourth proportional to 18,012,140.23, 24,856,720.66 and 9,752,201.50 is: 13,458,020.28
Step by Step Solution
- Step 1: Write the proportion equation
18,012,140.23 : 24,856,720.66 = 9,752,201.50 : x - Step 2: Convert to fraction form
18,012,140.23/24,856,720.66 = 9,752,201.50/x - Step 3: Cross multiply
18,012,140.23x = 24,856,720.66 × 9,752,201.50 - Step 4: Simplify right side
18,012,140.23x = 242,407,748,481,152.47 - Step 5: Solve for x
x = 242,407,748,481,152.47/18,012,140.23 - Step 6: Final answer
x = 13,458,020.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.