Finding the Fourth Proportional to 11,174,840.70, 16,762,261.05 and 5,506,136.70
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Solution
The fourth proportional to 11,174,840.70, 16,762,261.05 and 5,506,136.70 is: 8,259,205.05
Step by Step Solution
- Step 1: Write the proportion equation
11,174,840.70 : 16,762,261.05 = 5,506,136.70 : x - Step 2: Convert to fraction form
11,174,840.70/16,762,261.05 = 5,506,136.70/x - Step 3: Cross multiply
11,174,840.70x = 16,762,261.05 × 5,506,136.70 - Step 4: Simplify right side
11,174,840.70x = 92,295,300,742,385.55 - Step 5: Solve for x
x = 92,295,300,742,385.55/11,174,840.70 - Step 6: Final answer
x = 8,259,205.05
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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.