Finding the Fourth Proportional to 22,201,968.15, 33,302,574.51 and 6,639,832.31
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Solution
The fourth proportional to 22,201,968.15, 33,302,574.51 and 6,639,832.31 is: 9,959,635.50
Step by Step Solution
- Step 1: Write the proportion equation
22,201,968.15 : 33,302,574.51 = 6,639,832.31 : x - Step 2: Convert to fraction form
22,201,968.15/33,302,574.51 = 6,639,832.31/x - Step 3: Cross multiply
22,201,968.15x = 33,302,574.51 × 6,639,832.31 - Step 4: Simplify right side
22,201,968.15x = 221,123,510,237,680.41 - Step 5: Solve for x
x = 221,123,510,237,680.41/22,201,968.15 - Step 6: Final answer
x = 9,959,635.50
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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.