Finding the Fourth Proportional to 11,708,449.84, 16,156,880.07 and 6,481,104.31
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Solution
The fourth proportional to 11,708,449.84, 16,156,880.07 and 6,481,104.31 is: 8,943,491.79
Step by Step Solution
- Step 1: Write the proportion equation
11,708,449.84 : 16,156,880.07 = 6,481,104.31 : x - Step 2: Convert to fraction form
11,708,449.84/16,156,880.07 = 6,481,104.31/x - Step 3: Cross multiply
11,708,449.84x = 16,156,880.07 × 6,481,104.31 - Step 4: Simplify right side
11,708,449.84x = 104,714,425,057,830.09 - Step 5: Solve for x
x = 104,714,425,057,830.09/11,708,449.84 - Step 6: Final answer
x = 8,943,491.79
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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.