Finding the Fourth Proportional to 12,263,729.97, 18,398,210.60 and 6,119,015.64
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Solution
The fourth proportional to 12,263,729.97, 18,398,210.60 and 6,119,015.64 is: 9,179,828.53
Step by Step Solution
- Step 1: Write the proportion equation
12,263,729.97 : 18,398,210.60 = 6,119,015.64 : x - Step 2: Convert to fraction form
12,263,729.97/18,398,210.60 = 6,119,015.64/x - Step 3: Cross multiply
12,263,729.97x = 18,398,210.60 × 6,119,015.64 - Step 4: Simplify right side
12,263,729.97x = 112,578,938,355,718.03 - Step 5: Solve for x
x = 112,578,938,355,718.03/12,263,729.97 - Step 6: Final answer
x = 9,179,828.53
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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.