Finding the Fourth Proportional to 27,183,598.38, 37,504,921.32 and 15,420,930.66
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Solution
The fourth proportional to 27,183,598.38, 37,504,921.32 and 15,420,930.66 is: 21,276,093.88
Step by Step Solution
- Step 1: Write the proportion equation
27,183,598.38 : 37,504,921.32 = 15,420,930.66 : x - Step 2: Convert to fraction form
27,183,598.38/37,504,921.32 = 15,420,930.66/x - Step 3: Cross multiply
27,183,598.38x = 37,504,921.32 × 15,420,930.66 - Step 4: Simplify right side
27,183,598.38x = 578,360,791,084,475.62 - Step 5: Solve for x
x = 578,360,791,084,475.62/27,183,598.38 - Step 6: Final answer
x = 21,276,093.88
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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.