Finding the Fourth Proportional to 7,646,994.09, 11,470,491.26 and 2,855,057.03
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Solution
The fourth proportional to 7,646,994.09, 11,470,491.26 and 2,855,057.03 is: 4,282,585.58
Step by Step Solution
- Step 1: Write the proportion equation
7,646,994.09 : 11,470,491.26 = 2,855,057.03 : x - Step 2: Convert to fraction form
7,646,994.09/11,470,491.26 = 2,855,057.03/x - Step 3: Cross multiply
7,646,994.09x = 11,470,491.26 × 2,855,057.03 - Step 4: Simplify right side
7,646,994.09x = 32,748,906,637,788.82 - Step 5: Solve for x
x = 32,748,906,637,788.82/7,646,994.09 - Step 6: Final answer
x = 4,282,585.58
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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.