Finding the Fourth Proportional to 18,134,430.10, 27,201,645.15 and 5,354,914.30
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Solution
The fourth proportional to 18,134,430.10, 27,201,645.15 and 5,354,914.30 is: 8,032,371.45
Step by Step Solution
- Step 1: Write the proportion equation
18,134,430.10 : 27,201,645.15 = 5,354,914.30 : x - Step 2: Convert to fraction form
18,134,430.10/27,201,645.15 = 5,354,914.30/x - Step 3: Cross multiply
18,134,430.10x = 27,201,645.15 × 5,354,914.30 - Step 4: Simplify right side
18,134,430.10x = 145,662,478,597,260.62 - Step 5: Solve for x
x = 145,662,478,597,260.62/18,134,430.10 - Step 6: Final answer
x = 8,032,371.45
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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.