Finding the Fourth Proportional to 19,921,337.02, 27,504,138.38 and 16,258,989.56
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Solution
The fourth proportional to 19,921,337.02, 27,504,138.38 and 16,258,989.56 is: 22,447,765.34
Step by Step Solution
- Step 1: Write the proportion equation
19,921,337.02 : 27,504,138.38 = 16,258,989.56 : x - Step 2: Convert to fraction form
19,921,337.02/27,504,138.38 = 16,258,989.56/x - Step 3: Cross multiply
19,921,337.02x = 27,504,138.38 × 16,258,989.56 - Step 4: Simplify right side
19,921,337.02x = 447,189,498,777,215.31 - Step 5: Solve for x
x = 447,189,498,777,215.31/19,921,337.02 - Step 6: Final answer
x = 22,447,765.34
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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.