Finding the Fourth Proportional to 8,971,410.86, 13,456,465.66 and 3,505,478.21
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Solution
The fourth proportional to 8,971,410.86, 13,456,465.66 and 3,505,478.21 is: 5,257,963.09
Step by Step Solution
- Step 1: Write the proportion equation
8,971,410.86 : 13,456,465.66 = 3,505,478.21 : x - Step 2: Convert to fraction form
8,971,410.86/13,456,465.66 = 3,505,478.21/x - Step 3: Cross multiply
8,971,410.86x = 13,456,465.66 × 3,505,478.21 - Step 4: Simplify right side
8,971,410.86x = 47,171,347,122,586.23 - Step 5: Solve for x
x = 47,171,347,122,586.23/8,971,410.86 - Step 6: Final answer
x = 5,257,963.09
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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.