Finding the Fourth Proportional to 27,708,365.62, 38,235,904.37 and 15,317,720.07
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Solution
The fourth proportional to 27,708,365.62, 38,235,904.37 and 15,317,720.07 is: 21,137,546.96
Step by Step Solution
- Step 1: Write the proportion equation
27,708,365.62 : 38,235,904.37 = 15,317,720.07 : x - Step 2: Convert to fraction form
27,708,365.62/38,235,904.37 = 15,317,720.07/x - Step 3: Cross multiply
27,708,365.62x = 38,235,904.37 × 15,317,720.07 - Step 4: Simplify right side
27,708,365.62x = 585,686,879,495,181.62 - Step 5: Solve for x
x = 585,686,879,495,181.62/27,708,365.62 - Step 6: Final answer
x = 21,137,546.96
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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.