Finding the Fourth Proportional to 18,908,256.05, 26,093,038.91 and 11,565,549.75
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Solution
The fourth proportional to 18,908,256.05, 26,093,038.91 and 11,565,549.75 is: 15,960,241.86
Step by Step Solution
- Step 1: Write the proportion equation
18,908,256.05 : 26,093,038.91 = 11,565,549.75 : x - Step 2: Convert to fraction form
18,908,256.05/26,093,038.91 = 11,565,549.75/x - Step 3: Cross multiply
18,908,256.05x = 26,093,038.91 × 11,565,549.75 - Step 4: Simplify right side
18,908,256.05x = 301,780,339,642,290.75 - Step 5: Solve for x
x = 301,780,339,642,290.75/18,908,256.05 - Step 6: Final answer
x = 15,960,241.86
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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.