Finding the Fourth Proportional to 7,764,315.24, 11,646,472.86 and 2,372,981.16
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Solution
The fourth proportional to 7,764,315.24, 11,646,472.86 and 2,372,981.16 is: 3,559,471.74
Step by Step Solution
- Step 1: Write the proportion equation
7,764,315.24 : 11,646,472.86 = 2,372,981.16 : x - Step 2: Convert to fraction form
7,764,315.24/11,646,472.86 = 2,372,981.16/x - Step 3: Cross multiply
7,764,315.24x = 11,646,472.86 × 2,372,981.16 - Step 4: Simplify right side
7,764,315.24x = 27,636,860,677,231.32 - Step 5: Solve for x
x = 27,636,860,677,231.32/7,764,315.24 - Step 6: Final answer
x = 3,559,471.74
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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.