Finding the Fourth Proportional to 12,053,692.96, 16,624,471.62 and 7,927,959.58
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Solution
The fourth proportional to 12,053,692.96, 16,624,471.62 and 7,927,959.58 is: 10,934,253.88
Step by Step Solution
- Step 1: Write the proportion equation
12,053,692.96 : 16,624,471.62 = 7,927,959.58 : x - Step 2: Convert to fraction form
12,053,692.96/16,624,471.62 = 7,927,959.58/x - Step 3: Cross multiply
12,053,692.96x = 16,624,471.62 × 7,927,959.58 - Step 4: Simplify right side
12,053,692.96x = 131,798,139,000,655.92 - Step 5: Solve for x
x = 131,798,139,000,655.92/12,053,692.96 - Step 6: Final answer
x = 10,934,253.88
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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.