Finding the Fourth Proportional to 10,630,073.90, 14,661,669.35 and 8,016,687.99
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Solution
The fourth proportional to 10,630,073.90, 14,661,669.35 and 8,016,687.99 is: 11,057,122.43
Step by Step Solution
- Step 1: Write the proportion equation
10,630,073.90 : 14,661,669.35 = 8,016,687.99 : x - Step 2: Convert to fraction form
10,630,073.90/14,661,669.35 = 8,016,687.99/x - Step 3: Cross multiply
10,630,073.90x = 14,661,669.35 × 8,016,687.99 - Step 4: Simplify right side
10,630,073.90x = 117,538,028,566,443.97 - Step 5: Solve for x
x = 117,538,028,566,443.97/10,630,073.90 - Step 6: Final answer
x = 11,057,122.43
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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.