Finding the Fourth Proportional to 15,534,533.76, 21,446,851.68 and 13,810,893.44
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Solution
The fourth proportional to 15,534,533.76, 21,446,851.68 and 13,810,893.44 is: 19,067,207.79
Step by Step Solution
- Step 1: Write the proportion equation
15,534,533.76 : 21,446,851.68 = 13,810,893.44 : x - Step 2: Convert to fraction form
15,534,533.76/21,446,851.68 = 13,810,893.44/x - Step 3: Cross multiply
15,534,533.76x = 21,446,851.68 × 13,810,893.44 - Step 4: Simplify right side
15,534,533.76x = 296,200,183,175,964.94 - Step 5: Solve for x
x = 296,200,183,175,964.94/15,534,533.76 - Step 6: Final answer
x = 19,067,207.79
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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.