Finding the Fourth Proportional to 9,180,603.97, 12,669,315.73 and 4,994,380.09
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Solution
The fourth proportional to 9,180,603.97, 12,669,315.73 and 4,994,380.09 is: 6,892,289.27
Step by Step Solution
- Step 1: Write the proportion equation
9,180,603.97 : 12,669,315.73 = 4,994,380.09 : x - Step 2: Convert to fraction form
9,180,603.97/12,669,315.73 = 4,994,380.09/x - Step 3: Cross multiply
9,180,603.97x = 12,669,315.73 × 4,994,380.09 - Step 4: Simplify right side
9,180,603.97x = 63,275,378,235,835.81 - Step 5: Solve for x
x = 63,275,378,235,835.81/9,180,603.97 - Step 6: Final answer
x = 6,892,289.27
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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.