Finding the Fourth Proportional to 18,146,046.30, 27,219,069.45 and 16,466,430.30
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Solution
The fourth proportional to 18,146,046.30, 27,219,069.45 and 16,466,430.30 is: 24,699,645.45
Step by Step Solution
- Step 1: Write the proportion equation
18,146,046.30 : 27,219,069.45 = 16,466,430.30 : x - Step 2: Convert to fraction form
18,146,046.30/27,219,069.45 = 16,466,430.30/x - Step 3: Cross multiply
18,146,046.30x = 27,219,069.45 × 16,466,430.30 - Step 4: Simplify right side
18,146,046.30x = 448,200,909,929,284.31 - Step 5: Solve for x
x = 448,200,909,929,284.31/18,146,046.30 - Step 6: Final answer
x = 24,699,645.45
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Similar ratio
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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.