Finding the Fourth Proportional to 8,171,102.05, 12,240,707.99 and 6,365,531.25
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Solution
The fourth proportional to 8,171,102.05, 12,240,707.99 and 6,365,531.25 is: 9,535,875.18
Step by Step Solution
- Step 1: Write the proportion equation
8,171,102.05 : 12,240,707.99 = 6,365,531.25 : x - Step 2: Convert to fraction form
8,171,102.05/12,240,707.99 = 6,365,531.25/x - Step 3: Cross multiply
8,171,102.05x = 12,240,707.99 × 6,365,531.25 - Step 4: Simplify right side
8,171,102.05x = 77,918,609,200,642.03 - Step 5: Solve for x
x = 77,918,609,200,642.03/8,171,102.05 - Step 6: Final answer
x = 9,535,875.18
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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.