Finding the Fourth Proportional to 14,762,292.40, 22,143,438.60 and 14,620,574.80
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Solution
The fourth proportional to 14,762,292.40, 22,143,438.60 and 14,620,574.80 is: 21,930,862.20
Step by Step Solution
- Step 1: Write the proportion equation
14,762,292.40 : 22,143,438.60 = 14,620,574.80 : x - Step 2: Convert to fraction form
14,762,292.40/22,143,438.60 = 14,620,574.80/x - Step 3: Cross multiply
14,762,292.40x = 22,143,438.60 × 14,620,574.80 - Step 4: Simplify right side
14,762,292.40x = 323,749,800,380,507.31 - Step 5: Solve for x
x = 323,749,800,380,507.31/14,762,292.40 - Step 6: Final answer
x = 21,930,862.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.