Finding the Fourth Proportional to 7,337,454.90, 10,996,851.15 and 6,534,971.70
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Solution
The fourth proportional to 7,337,454.90, 10,996,851.15 and 6,534,971.70 is: 9,794,146.89
Step by Step Solution
- Step 1: Write the proportion equation
7,337,454.90 : 10,996,851.15 = 6,534,971.70 : x - Step 2: Convert to fraction form
7,337,454.90/10,996,851.15 = 6,534,971.70/x - Step 3: Cross multiply
7,337,454.90x = 10,996,851.15 × 6,534,971.70 - Step 4: Simplify right side
7,337,454.90x = 71,864,111,054,362.45 - Step 5: Solve for x
x = 71,864,111,054,362.45/7,337,454.90 - Step 6: Final answer
x = 9,794,146.89
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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.