Finding the Fourth Proportional to 7,994,781.68, 11,992,174.59 and 2,238,363.39
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Solution
The fourth proportional to 7,994,781.68, 11,992,174.59 and 2,238,363.39 is: 3,357,545.66
Step by Step Solution
- Step 1: Write the proportion equation
7,994,781.68 : 11,992,174.59 = 2,238,363.39 : x - Step 2: Convert to fraction form
7,994,781.68/11,992,174.59 = 2,238,363.39/x - Step 3: Cross multiply
7,994,781.68x = 11,992,174.59 × 2,238,363.39 - Step 4: Simplify right side
7,994,781.68x = 26,842,844,568,744.26 - Step 5: Solve for x
x = 26,842,844,568,744.26/7,994,781.68 - Step 6: Final answer
x = 3,357,545.66
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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.