Finding the Fourth Proportional to 18,972,609.21, 26,182,195.21 and 10,270,775.41
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Solution
The fourth proportional to 18,972,609.21, 26,182,195.21 and 10,270,775.41 is: 14,173,667.09
Step by Step Solution
- Step 1: Write the proportion equation
18,972,609.21 : 26,182,195.21 = 10,270,775.41 : x - Step 2: Convert to fraction form
18,972,609.21/26,182,195.21 = 10,270,775.41/x - Step 3: Cross multiply
18,972,609.21x = 26,182,195.21 × 10,270,775.41 - Step 4: Simplify right side
18,972,609.21x = 268,911,446,705,201.31 - Step 5: Solve for x
x = 268,911,446,705,201.31/18,972,609.21 - Step 6: Final answer
x = 14,173,667.09
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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.