Finding the Fourth Proportional to 19,980,465.21, 27,573,041.66 and 10,813,107.96
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Solution
The fourth proportional to 19,980,465.21, 27,573,041.66 and 10,813,107.96 is: 14,922,088.80
Step by Step Solution
- Step 1: Write the proportion equation
19,980,465.21 : 27,573,041.66 = 10,813,107.96 : x - Step 2: Convert to fraction form
19,980,465.21/27,573,041.66 = 10,813,107.96/x - Step 3: Cross multiply
19,980,465.21x = 27,573,041.66 × 10,813,107.96 - Step 4: Simplify right side
19,980,465.21x = 298,150,276,201,092.12 - Step 5: Solve for x
x = 298,150,276,201,092.12/19,980,465.21 - Step 6: Final answer
x = 14,922,088.80
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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.