Finding the Fourth Proportional to 7,338,709.80, 11,008,064.70 and 2,544,805.80
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Solution
The fourth proportional to 7,338,709.80, 11,008,064.70 and 2,544,805.80 is: 3,817,208.70
Step by Step Solution
- Step 1: Write the proportion equation
7,338,709.80 : 11,008,064.70 = 2,544,805.80 : x - Step 2: Convert to fraction form
7,338,709.80/11,008,064.70 = 2,544,805.80/x - Step 3: Cross multiply
7,338,709.80x = 11,008,064.70 × 2,544,805.80 - Step 4: Simplify right side
7,338,709.80x = 28,013,386,895,335.26 - Step 5: Solve for x
x = 28,013,386,895,335.26/7,338,709.80 - Step 6: Final answer
x = 3,817,208.70
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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.