Finding the Fourth Proportional to 7,884,027.90, 11,826,041.85 and 7,830,883.80
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Solution
The fourth proportional to 7,884,027.90, 11,826,041.85 and 7,830,883.80 is: 11,746,325.70
Step by Step Solution
- Step 1: Write the proportion equation
7,884,027.90 : 11,826,041.85 = 7,830,883.80 : x - Step 2: Convert to fraction form
7,884,027.90/11,826,041.85 = 7,830,883.80/x - Step 3: Cross multiply
7,884,027.90x = 11,826,041.85 × 7,830,883.80 - Step 4: Simplify right side
7,884,027.90x = 92,608,359,541,287.03 - Step 5: Solve for x
x = 92,608,359,541,287.03/7,884,027.90 - Step 6: Final answer
x = 11,746,325.70
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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.