Finding the Fourth Proportional to 19,921,336.02, 27,504,137 and 16,258,988.56
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Solution
The fourth proportional to 19,921,336.02, 27,504,137 and 16,258,988.56 is: 22,447,763.96
Step by Step Solution
- Step 1: Write the proportion equation
19,921,336.02 : 27,504,137 = 16,258,988.56 : x - Step 2: Convert to fraction form
19,921,336.02/27,504,137 = 16,258,988.56/x - Step 3: Cross multiply
19,921,336.02x = 27,504,137 × 16,258,988.56 - Step 4: Simplify right side
19,921,336.02x = 447,189,448,835,672.75 - Step 5: Solve for x
x = 447,189,448,835,672.75/19,921,336.02 - Step 6: Final answer
x = 22,447,763.96
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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.