Finding the Fourth Proportional to 8,681,664.16, 13,014,790.26 and 3,286,553.68
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Solution
The fourth proportional to 8,681,664.16, 13,014,790.26 and 3,286,553.68 is: 4,926,913.32
Step by Step Solution
- Step 1: Write the proportion equation
8,681,664.16 : 13,014,790.26 = 3,286,553.68 : x - Step 2: Convert to fraction form
8,681,664.16/13,014,790.26 = 3,286,553.68/x - Step 3: Cross multiply
8,681,664.16x = 13,014,790.26 × 3,286,553.68 - Step 4: Simplify right side
8,681,664.16x = 42,773,806,823,431.16 - Step 5: Solve for x
x = 42,773,806,823,431.16/8,681,664.16 - Step 6: Final answer
x = 4,926,913.32
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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.