Finding the Fourth Proportional to 7,507,728.70, 11,261,593.05 and 6,562,944.70
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Solution
The fourth proportional to 7,507,728.70, 11,261,593.05 and 6,562,944.70 is: 9,844,417.05
Step by Step Solution
- Step 1: Write the proportion equation
7,507,728.70 : 11,261,593.05 = 6,562,944.70 : x - Step 2: Convert to fraction form
7,507,728.70/11,261,593.05 = 6,562,944.70/x - Step 3: Cross multiply
7,507,728.70x = 11,261,593.05 × 6,562,944.70 - Step 4: Simplify right side
7,507,728.70x = 73,909,212,421,054.34 - Step 5: Solve for x
x = 73,909,212,421,054.34/7,507,728.70 - Step 6: Final answer
x = 9,844,417.05
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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.