Finding the Fourth Proportional to 6,335,116.62, 8,749,678.05 and 4,294,383.18
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Solution
The fourth proportional to 6,335,116.62, 8,749,678.05 and 4,294,383.18 is: 5,931,141.05
Step by Step Solution
- Step 1: Write the proportion equation
6,335,116.62 : 8,749,678.05 = 4,294,383.18 : x - Step 2: Convert to fraction form
6,335,116.62/8,749,678.05 = 4,294,383.18/x - Step 3: Cross multiply
6,335,116.62x = 8,749,678.05 × 4,294,383.18 - Step 4: Simplify right side
6,335,116.62x = 37,574,470,248,335.20 - Step 5: Solve for x
x = 37,574,470,248,335.20/6,335,116.62 - Step 6: Final answer
x = 5,931,141.05
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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.