Finding the Fourth Proportional to 7,381,323.90, 11,071,985.85 and 2,332,634.40
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Solution
The fourth proportional to 7,381,323.90, 11,071,985.85 and 2,332,634.40 is: 3,498,951.60
Step by Step Solution
- Step 1: Write the proportion equation
7,381,323.90 : 11,071,985.85 = 2,332,634.40 : x - Step 2: Convert to fraction form
7,381,323.90/11,071,985.85 = 2,332,634.40/x - Step 3: Cross multiply
7,381,323.90x = 11,071,985.85 × 2,332,634.40 - Step 4: Simplify right side
7,381,323.90x = 25,826,895,070,023.24 - Step 5: Solve for x
x = 25,826,895,070,023.24/7,381,323.90 - Step 6: Final answer
x = 3,498,951.60
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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.