Finding the Fourth Proportional to 7,452,021.70, 11,178,032.55 and 6,507,237.70
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Solution
The fourth proportional to 7,452,021.70, 11,178,032.55 and 6,507,237.70 is: 9,760,856.55
Step by Step Solution
- Step 1: Write the proportion equation
7,452,021.70 : 11,178,032.55 = 6,507,237.70 : x - Step 2: Convert to fraction form
7,452,021.70/11,178,032.55 = 6,507,237.70/x - Step 3: Cross multiply
7,452,021.70x = 11,178,032.55 × 6,507,237.70 - Step 4: Simplify right side
7,452,021.70x = 72,738,114,821,187.14 - Step 5: Solve for x
x = 72,738,114,821,187.14/7,452,021.70 - Step 6: Final answer
x = 9,760,856.55
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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.