Finding the Fourth Proportional to 22,130,745.92, 30,540,562.62 and 12,341,808.98
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Solution
The fourth proportional to 22,130,745.92, 30,540,562.62 and 12,341,808.98 is: 17,031,770.70
Step by Step Solution
- Step 1: Write the proportion equation
22,130,745.92 : 30,540,562.62 = 12,341,808.98 : x - Step 2: Convert to fraction form
22,130,745.92/30,540,562.62 = 12,341,808.98/x - Step 3: Cross multiply
22,130,745.92x = 30,540,562.62 × 12,341,808.98 - Step 4: Simplify right side
22,130,745.92x = 376,925,789,997,768.38 - Step 5: Solve for x
x = 376,925,789,997,768.38/22,130,745.92 - Step 6: Final answer
x = 17,031,770.70
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1.5x scale
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.