Finding the Fourth Proportional to 7,394,813.70, 11,092,220.55 and 2,076,029.70
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Solution
The fourth proportional to 7,394,813.70, 11,092,220.55 and 2,076,029.70 is: 3,114,044.55
Step by Step Solution
- Step 1: Write the proportion equation
7,394,813.70 : 11,092,220.55 = 2,076,029.70 : x - Step 2: Convert to fraction form
7,394,813.70/11,092,220.55 = 2,076,029.70/x - Step 3: Cross multiply
7,394,813.70x = 11,092,220.55 × 2,076,029.70 - Step 4: Simplify right side
7,394,813.70x = 23,027,779,300,750.34 - Step 5: Solve for x
x = 23,027,779,300,750.34/7,394,813.70 - Step 6: Final answer
x = 3,114,044.55
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Similar ratio
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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.