Finding the Fourth Proportional to 18,701,362.20, 28,028,423.70 and 9,096,058.20
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Solution
The fourth proportional to 18,701,362.20, 28,028,423.70 and 9,096,058.20 is: 13,632,599.09
Step by Step Solution
- Step 1: Write the proportion equation
18,701,362.20 : 28,028,423.70 = 9,096,058.20 : x - Step 2: Convert to fraction form
18,701,362.20/28,028,423.70 = 9,096,058.20/x - Step 3: Cross multiply
18,701,362.20x = 28,028,423.70 × 9,096,058.20 - Step 4: Simplify right side
18,701,362.20x = 254,948,173,229,459.31 - Step 5: Solve for x
x = 254,948,173,229,459.31/18,701,362.20 - Step 6: Final answer
x = 13,632,599.09
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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.