Finding the Fourth Proportional to 7,840,995.06, 11,763,854.58 and 2,449,427.70
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Solution
The fourth proportional to 7,840,995.06, 11,763,854.58 and 2,449,427.70 is: 3,674,879.41
Step by Step Solution
- Step 1: Write the proportion equation
7,840,995.06 : 11,763,854.58 = 2,449,427.70 : x - Step 2: Convert to fraction form
7,840,995.06/11,763,854.58 = 2,449,427.70/x - Step 3: Cross multiply
7,840,995.06x = 11,763,854.58 × 2,449,427.70 - Step 4: Simplify right side
7,840,995.06x = 28,814,711,267,023.87 - Step 5: Solve for x
x = 28,814,711,267,023.87/7,840,995.06 - Step 6: Final answer
x = 3,674,879.41
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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.