Finding the Fourth Proportional to 8,842,465.22, 12,202,515.74 and 4,922,159.18
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Solution
The fourth proportional to 8,842,465.22, 12,202,515.74 and 4,922,159.18 is: 6,792,531.65
Step by Step Solution
- Step 1: Write the proportion equation
8,842,465.22 : 12,202,515.74 = 4,922,159.18 : x - Step 2: Convert to fraction form
8,842,465.22/12,202,515.74 = 4,922,159.18/x - Step 3: Cross multiply
8,842,465.22x = 12,202,515.74 × 4,922,159.18 - Step 4: Simplify right side
8,842,465.22x = 60,062,724,820,028.31 - Step 5: Solve for x
x = 60,062,724,820,028.31/8,842,465.22 - Step 6: Final answer
x = 6,792,531.65
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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.