Finding the Fourth Proportional to 8,554,408.26, 12,801,038.13 and 7,430,414.19
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Solution
The fourth proportional to 8,554,408.26, 12,801,038.13 and 7,430,414.19 is: 11,119,064.29
Step by Step Solution
- Step 1: Write the proportion equation
8,554,408.26 : 12,801,038.13 = 7,430,414.19 : x - Step 2: Convert to fraction form
8,554,408.26/12,801,038.13 = 7,430,414.19/x - Step 3: Cross multiply
8,554,408.26x = 12,801,038.13 × 7,430,414.19 - Step 4: Simplify right side
8,554,408.26x = 95,117,015,367,883.08 - Step 5: Solve for x
x = 95,117,015,367,883.08/8,554,408.26 - Step 6: Final answer
x = 11,119,064.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.