Finding the Fourth Proportional to 32,790,769.92, 45,251,032.32 and 18,107,349.12
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Solution
The fourth proportional to 32,790,769.92, 45,251,032.32 and 18,107,349.12 is: 24,988,014.68
Step by Step Solution
- Step 1: Write the proportion equation
32,790,769.92 : 45,251,032.32 = 18,107,349.12 : x - Step 2: Convert to fraction form
32,790,769.92/45,251,032.32 = 18,107,349.12/x - Step 3: Cross multiply
32,790,769.92x = 45,251,032.32 × 18,107,349.12 - Step 4: Simplify right side
32,790,769.92x = 819,376,240,258,643.62 - Step 5: Solve for x
x = 819,376,240,258,643.62/32,790,769.92 - Step 6: Final answer
x = 24,988,014.68
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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.