Finding the Fourth Proportional to 7,348,848.30, 11,023,272.45 and 6,551,030.70
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Solution
The fourth proportional to 7,348,848.30, 11,023,272.45 and 6,551,030.70 is: 9,826,546.05
Step by Step Solution
- Step 1: Write the proportion equation
7,348,848.30 : 11,023,272.45 = 6,551,030.70 : x - Step 2: Convert to fraction form
7,348,848.30/11,023,272.45 = 6,551,030.70/x - Step 3: Cross multiply
7,348,848.30x = 11,023,272.45 × 6,551,030.70 - Step 4: Simplify right side
7,348,848.30x = 72,213,796,234,414.22 - Step 5: Solve for x
x = 72,213,796,234,414.22/7,348,848.30 - Step 6: Final answer
x = 9,826,546.05
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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.