Finding the Fourth Proportional to 27,534,581.65, 37,997,742.17 and 15,145,617.66
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Solution
The fourth proportional to 27,534,581.65, 37,997,742.17 and 15,145,617.66 is: 20,900,963.09
Step by Step Solution
- Step 1: Write the proportion equation
27,534,581.65 : 37,997,742.17 = 15,145,617.66 : x - Step 2: Convert to fraction form
27,534,581.65/37,997,742.17 = 15,145,617.66/x - Step 3: Cross multiply
27,534,581.65x = 37,997,742.17 × 15,145,617.66 - Step 4: Simplify right side
27,534,581.65x = 575,499,274,850,078.75 - Step 5: Solve for x
x = 575,499,274,850,078.75/27,534,581.65 - Step 6: Final answer
x = 20,900,963.09
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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.