Finding the Fourth Proportional to 19,980,464.22, 27,573,040.28 and 10,813,106.97
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Solution
The fourth proportional to 19,980,464.22, 27,573,040.28 and 10,813,106.97 is: 14,922,087.43
Step by Step Solution
- Step 1: Write the proportion equation
19,980,464.22 : 27,573,040.28 = 10,813,106.97 : x - Step 2: Convert to fraction form
19,980,464.22/27,573,040.28 = 10,813,106.97/x - Step 3: Cross multiply
19,980,464.22x = 27,573,040.28 × 10,813,106.97 - Step 4: Simplify right side
19,980,464.22x = 298,150,234,035,758.81 - Step 5: Solve for x
x = 298,150,234,035,758.81/19,980,464.22 - Step 6: Final answer
x = 14,922,087.43
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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.