Finding the Fourth Proportional to 7,461,198.90, 11,191,798.35 and 6,873,333.30
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Solution
The fourth proportional to 7,461,198.90, 11,191,798.35 and 6,873,333.30 is: 10,309,999.95
Step by Step Solution
- Step 1: Write the proportion equation
7,461,198.90 : 11,191,798.35 = 6,873,333.30 : x - Step 2: Convert to fraction form
7,461,198.90/11,191,798.35 = 6,873,333.30/x - Step 3: Cross multiply
7,461,198.90x = 11,191,798.35 × 6,873,333.30 - Step 4: Simplify right side
7,461,198.90x = 76,924,960,285,940.05 - Step 5: Solve for x
x = 76,924,960,285,940.05/7,461,198.90 - Step 6: Final answer
x = 10,309,999.95
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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.