Finding the Fourth Proportional to 11,388,883.84, 15,716,660.94 and 6,232,246.48
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Solution
The fourth proportional to 11,388,883.84, 15,716,660.94 and 6,232,246.48 is: 8,600,500.82
Step by Step Solution
- Step 1: Write the proportion equation
11,388,883.84 : 15,716,660.94 = 6,232,246.48 : x - Step 2: Convert to fraction form
11,388,883.84/15,716,660.94 = 6,232,246.48/x - Step 3: Cross multiply
11,388,883.84x = 15,716,660.94 × 6,232,246.48 - Step 4: Simplify right side
11,388,883.84x = 97,950,104,820,668.50 - Step 5: Solve for x
x = 97,950,104,820,668.50/11,388,883.84 - Step 6: Final answer
x = 8,600,500.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.