Finding the Fourth Proportional to 9,452,421.70, 14,189,130.15 and 5,200,893.70
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Solution
The fourth proportional to 9,452,421.70, 14,189,130.15 and 5,200,893.70 is: 7,807,116.52
Step by Step Solution
- Step 1: Write the proportion equation
9,452,421.70 : 14,189,130.15 = 5,200,893.70 : x - Step 2: Convert to fraction form
9,452,421.70/14,189,130.15 = 5,200,893.70/x - Step 3: Cross multiply
9,452,421.70x = 14,189,130.15 × 5,200,893.70 - Step 4: Simplify right side
9,452,421.70x = 73,796,157,605,615.06 - Step 5: Solve for x
x = 73,796,157,605,615.06/9,452,421.70 - Step 6: Final answer
x = 7,807,116.52
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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.