Finding the Fourth Proportional to 14,507,163.39, 20,019,094.74 and 7,979,739.06
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Solution
The fourth proportional to 14,507,163.39, 20,019,094.74 and 7,979,739.06 is: 11,011,604.95
Step by Step Solution
- Step 1: Write the proportion equation
14,507,163.39 : 20,019,094.74 = 7,979,739.06 : x - Step 2: Convert to fraction form
14,507,163.39/20,019,094.74 = 7,979,739.06/x - Step 3: Cross multiply
14,507,163.39x = 20,019,094.74 × 7,979,739.06 - Step 4: Simplify right side
14,507,163.39x = 159,747,152,242,618.53 - Step 5: Solve for x
x = 159,747,152,242,618.53/14,507,163.39 - Step 6: Final answer
x = 11,011,604.95
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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.