Finding the Fourth Proportional to 25,795,201.18, 38,717,043.81 and 13,507,983.82
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Solution
The fourth proportional to 25,795,201.18, 38,717,043.81 and 13,507,983.82 is: 20,274,670.38
Step by Step Solution
- Step 1: Write the proportion equation
25,795,201.18 : 38,717,043.81 = 13,507,983.82 : x - Step 2: Convert to fraction form
25,795,201.18/38,717,043.81 = 13,507,983.82/x - Step 3: Cross multiply
25,795,201.18x = 38,717,043.81 × 13,507,983.82 - Step 4: Simplify right side
25,795,201.18x = 522,989,201,343,711.19 - Step 5: Solve for x
x = 522,989,201,343,711.19/25,795,201.18 - Step 6: Final answer
x = 20,274,670.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.