Finding the Fourth Proportional to 25,296,530.58, 34,909,171.83 and 13,694,090.99
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Solution
The fourth proportional to 25,296,530.58, 34,909,171.83 and 13,694,090.99 is: 18,897,823.71
Step by Step Solution
- Step 1: Write the proportion equation
25,296,530.58 : 34,909,171.83 = 13,694,090.99 : x - Step 2: Convert to fraction form
25,296,530.58/34,909,171.83 = 13,694,090.99/x - Step 3: Cross multiply
25,296,530.58x = 34,909,171.83 × 13,694,090.99 - Step 4: Simplify right side
25,296,530.58x = 478,049,375,251,018.94 - Step 5: Solve for x
x = 478,049,375,251,018.94/25,296,530.58 - Step 6: Final answer
x = 18,897,823.71
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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.