Finding the Fourth Proportional to 7,764,448.90, 11,659,114.95 and 5,873,325.70
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Solution
The fourth proportional to 7,764,448.90, 11,659,114.95 and 5,873,325.70 is: 8,819,399.85
Step by Step Solution
- Step 1: Write the proportion equation
7,764,448.90 : 11,659,114.95 = 5,873,325.70 : x - Step 2: Convert to fraction form
7,764,448.90/11,659,114.95 = 5,873,325.70/x - Step 3: Cross multiply
7,764,448.90x = 11,659,114.95 × 5,873,325.70 - Step 4: Simplify right side
7,764,448.90x = 68,477,779,475,089.21 - Step 5: Solve for x
x = 68,477,779,475,089.21/7,764,448.90 - Step 6: Final answer
x = 8,819,399.85
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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.