Finding the Fourth Proportional to 14,507,189.44, 20,019,130.62 and 7,979,765.08
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Solution
The fourth proportional to 14,507,189.44, 20,019,130.62 and 7,979,765.08 is: 11,011,640.82
Step by Step Solution
- Step 1: Write the proportion equation
14,507,189.44 : 20,019,130.62 = 7,979,765.08 : x - Step 2: Convert to fraction form
14,507,189.44/20,019,130.62 = 7,979,765.08/x - Step 3: Cross multiply
14,507,189.44x = 20,019,130.62 × 7,979,765.08 - Step 4: Simplify right side
14,507,189.44x = 159,747,959,453,434.75 - Step 5: Solve for x
x = 159,747,959,453,434.75/14,507,189.44 - Step 6: Final answer
x = 11,011,640.82
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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.