Finding the Fourth Proportional to 19,658,676.06, 27,128,233.14 and 11,399,086.92
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Solution
The fourth proportional to 19,658,676.06, 27,128,233.14 and 11,399,086.92 is: 15,730,310.96
Step by Step Solution
- Step 1: Write the proportion equation
19,658,676.06 : 27,128,233.14 = 11,399,086.92 : x - Step 2: Convert to fraction form
19,658,676.06/27,128,233.14 = 11,399,086.92/x - Step 3: Cross multiply
19,658,676.06x = 27,128,233.14 × 11,399,086.92 - Step 4: Simplify right side
19,658,676.06x = 309,237,087,548,884.56 - Step 5: Solve for x
x = 309,237,087,548,884.56/19,658,676.06 - Step 6: Final answer
x = 15,730,310.96
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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.