Finding the Fourth Proportional to 8,809,597.97, 12,157,328.12 and 4,942,202.16
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Solution
The fourth proportional to 8,809,597.97, 12,157,328.12 and 4,942,202.16 is: 6,820,285.50
Step by Step Solution
- Step 1: Write the proportion equation
8,809,597.97 : 12,157,328.12 = 4,942,202.16 : x - Step 2: Convert to fraction form
8,809,597.97/12,157,328.12 = 4,942,202.16/x - Step 3: Cross multiply
8,809,597.97x = 12,157,328.12 × 4,942,202.16 - Step 4: Simplify right side
8,809,597.97x = 60,083,973,315,371.71 - Step 5: Solve for x
x = 60,083,973,315,371.71/8,809,597.97 - Step 6: Final answer
x = 6,820,285.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.