Finding the Fourth Proportional to 25,296,855.18, 34,909,652.79 and 13,694,410.14
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Solution
The fourth proportional to 25,296,855.18, 34,909,652.79 and 13,694,410.14 is: 18,898,282.01
Step by Step Solution
- Step 1: Write the proportion equation
25,296,855.18 : 34,909,652.79 = 13,694,410.14 : x - Step 2: Convert to fraction form
25,296,855.18/34,909,652.79 = 13,694,410.14/x - Step 3: Cross multiply
25,296,855.18x = 34,909,652.79 × 13,694,410.14 - Step 4: Simplify right side
25,296,855.18x = 478,067,103,151,255.31 - Step 5: Solve for x
x = 478,067,103,151,255.31/25,296,855.18 - Step 6: Final answer
x = 18,898,282.01
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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.