Finding the Fourth Proportional to 7,723,348.05, 11,580,397.77 and 2,605,664.63
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Solution
The fourth proportional to 7,723,348.05, 11,580,397.77 and 2,605,664.63 is: 3,906,936.81
Step by Step Solution
- Step 1: Write the proportion equation
7,723,348.05 : 11,580,397.77 = 2,605,664.63 : x - Step 2: Convert to fraction form
7,723,348.05/11,580,397.77 = 2,605,664.63/x - Step 3: Cross multiply
7,723,348.05x = 11,580,397.77 × 2,605,664.63 - Step 4: Simplify right side
7,723,348.05x = 30,174,632,812,717.89 - Step 5: Solve for x
x = 30,174,632,812,717.89/7,723,348.05 - Step 6: Final answer
x = 3,906,936.81
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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.