Finding the Fourth Proportional to 10,233,163.60, 14,121,692.65 and 5,586,948.48
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Solution
The fourth proportional to 10,233,163.60, 14,121,692.65 and 5,586,948.48 is: 7,709,948.99
Step by Step Solution
- Step 1: Write the proportion equation
10,233,163.60 : 14,121,692.65 = 5,586,948.48 : x - Step 2: Convert to fraction form
10,233,163.60/14,121,692.65 = 5,586,948.48/x - Step 3: Cross multiply
10,233,163.60x = 14,121,692.65 × 5,586,948.48 - Step 4: Simplify right side
10,233,163.60x = 78,897,169,361,600.78 - Step 5: Solve for x
x = 78,897,169,361,600.78/10,233,163.60 - Step 6: Final answer
x = 7,709,948.99
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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.