Finding the Fourth Proportional to 32,993,379.36, 49,431,515.76 and 13,781,857.68
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Solution
The fourth proportional to 32,993,379.36, 49,431,515.76 and 13,781,857.68 is: 20,648,327.89
Step by Step Solution
- Step 1: Write the proportion equation
32,993,379.36 : 49,431,515.76 = 13,781,857.68 : x - Step 2: Convert to fraction form
32,993,379.36/49,431,515.76 = 13,781,857.68/x - Step 3: Cross multiply
32,993,379.36x = 49,431,515.76 × 13,781,857.68 - Step 4: Simplify right side
32,993,379.36x = 681,258,115,110,997 - Step 5: Solve for x
x = 681,258,115,110,997/32,993,379.36 - Step 6: Final answer
x = 20,648,327.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.