Finding the Fourth Proportional to 7,340,811.80, 11,011,217.70 and 2,022,027.80
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Solution
The fourth proportional to 7,340,811.80, 11,011,217.70 and 2,022,027.80 is: 3,033,041.70
Step by Step Solution
- Step 1: Write the proportion equation
7,340,811.80 : 11,011,217.70 = 2,022,027.80 : x - Step 2: Convert to fraction form
7,340,811.80/11,011,217.70 = 2,022,027.80/x - Step 3: Cross multiply
7,340,811.80x = 11,011,217.70 × 2,022,027.80 - Step 4: Simplify right side
7,340,811.80x = 22,264,988,301,252.06 - Step 5: Solve for x
x = 22,264,988,301,252.06/7,340,811.80 - Step 6: Final answer
x = 3,033,041.70
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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.