Finding the Fourth Proportional to 7,420,885.08, 11,131,169.15 and 2,029,535.52
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Solution
The fourth proportional to 7,420,885.08, 11,131,169.15 and 2,029,535.52 is: 3,044,259.94
Step by Step Solution
- Step 1: Write the proportion equation
7,420,885.08 : 11,131,169.15 = 2,029,535.52 : x - Step 2: Convert to fraction form
7,420,885.08/11,131,169.15 = 2,029,535.52/x - Step 3: Cross multiply
7,420,885.08x = 11,131,169.15 × 2,029,535.52 - Step 4: Simplify right side
7,420,885.08x = 22,591,103,169,053.21 - Step 5: Solve for x
x = 22,591,103,169,053.21/7,420,885.08 - Step 6: Final answer
x = 3,044,259.94
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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.