Finding the Fourth Proportional to 22,161,260.05, 33,252,416.84 and 15,348,317.65
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Solution
The fourth proportional to 22,161,260.05, 33,252,416.84 and 15,348,317.65 is: 23,029,767.04
Step by Step Solution
- Step 1: Write the proportion equation
22,161,260.05 : 33,252,416.84 = 15,348,317.65 : x - Step 2: Convert to fraction form
22,161,260.05/33,252,416.84 = 15,348,317.65/x - Step 3: Cross multiply
22,161,260.05x = 33,252,416.84 × 15,348,317.65 - Step 4: Simplify right side
22,161,260.05x = 510,368,656,245,769 - Step 5: Solve for x
x = 510,368,656,245,769/22,161,260.05 - Step 6: Final answer
x = 23,029,767.04
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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.