Finding the Fourth Proportional to 18,189,199.60, 27,287,590.20 and 6,062,430.40
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Solution
The fourth proportional to 18,189,199.60, 27,287,590.20 and 6,062,430.40 is: 9,094,909.07
Step by Step Solution
- Step 1: Write the proportion equation
18,189,199.60 : 27,287,590.20 = 6,062,430.40 : x - Step 2: Convert to fraction form
18,189,199.60/27,287,590.20 = 6,062,430.40/x - Step 3: Cross multiply
18,189,199.60x = 27,287,590.20 × 6,062,430.40 - Step 4: Simplify right side
18,189,199.60x = 165,429,116,371,222.09 - Step 5: Solve for x
x = 165,429,116,371,222.09/18,189,199.60 - Step 6: Final answer
x = 9,094,909.07
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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.