Finding the Fourth Proportional to 19,645,358.11, 27,111,410.84 and 10,943,528.31
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Solution
The fourth proportional to 19,645,358.11, 27,111,410.84 and 10,943,528.31 is: 15,102,523.99
Step by Step Solution
- Step 1: Write the proportion equation
19,645,358.11 : 27,111,410.84 = 10,943,528.31 : x - Step 2: Convert to fraction form
19,645,358.11/27,111,410.84 = 10,943,528.31/x - Step 3: Cross multiply
19,645,358.11x = 27,111,410.84 × 10,943,528.31 - Step 4: Simplify right side
19,645,358.11x = 296,694,492,078,939.75 - Step 5: Solve for x
x = 296,694,492,078,939.75/19,645,358.11 - Step 6: Final answer
x = 15,102,523.99
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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.