Finding the Fourth Proportional to 7,345,249.80, 11,017,874.70 and 2,551,345.80
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Solution
The fourth proportional to 7,345,249.80, 11,017,874.70 and 2,551,345.80 is: 3,827,018.70
Step by Step Solution
- Step 1: Write the proportion equation
7,345,249.80 : 11,017,874.70 = 2,551,345.80 : x - Step 2: Convert to fraction form
7,345,249.80/11,017,874.70 = 2,551,345.80/x - Step 3: Cross multiply
7,345,249.80x = 11,017,874.70 × 2,551,345.80 - Step 4: Simplify right side
7,345,249.80x = 28,110,408,340,771.26 - Step 5: Solve for x
x = 28,110,408,340,771.26/7,345,249.80 - Step 6: Final answer
x = 3,827,018.70
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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.