Finding the Fourth Proportional to 8,753,645.96, 13,128,176.99 and 2,603,970.69
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Solution
The fourth proportional to 8,753,645.96, 13,128,176.99 and 2,603,970.69 is: 3,905,274.23
Step by Step Solution
- Step 1: Write the proportion equation
8,753,645.96 : 13,128,176.99 = 2,603,970.69 : x - Step 2: Convert to fraction form
8,753,645.96/13,128,176.99 = 2,603,970.69/x - Step 3: Cross multiply
8,753,645.96x = 13,128,176.99 × 2,603,970.69 - Step 4: Simplify right side
8,753,645.96x = 34,185,388,016,431.68 - Step 5: Solve for x
x = 34,185,388,016,431.68/8,753,645.96 - Step 6: Final answer
x = 3,905,274.23
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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.