Finding the Fourth Proportional to 16,421,765.58, 22,657,059 and 11,460,074.94
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Solution
The fourth proportional to 16,421,765.58, 22,657,059 and 11,460,074.94 is: 15,811,429.82
Step by Step Solution
- Step 1: Write the proportion equation
16,421,765.58 : 22,657,059 = 11,460,074.94 : x - Step 2: Convert to fraction form
16,421,765.58/22,657,059 = 11,460,074.94/x - Step 3: Cross multiply
16,421,765.58x = 22,657,059 × 11,460,074.94 - Step 4: Simplify right side
16,421,765.58x = 259,651,594,060,001.44 - Step 5: Solve for x
x = 259,651,594,060,001.44/16,421,765.58 - Step 6: Final answer
x = 15,811,429.82
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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.