Finding the Fourth Proportional to 7,284,678.00, 10,052,728.05 and 4,021,408.82
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Solution
The fourth proportional to 7,284,678.00, 10,052,728.05 and 4,021,408.82 is: 5,549,473.75
Step by Step Solution
- Step 1: Write the proportion equation
7,284,678.00 : 10,052,728.05 = 4,021,408.82 : x - Step 2: Convert to fraction form
7,284,678.00/10,052,728.05 = 4,021,408.82/x - Step 3: Cross multiply
7,284,678.00x = 10,052,728.05 × 4,021,408.82 - Step 4: Simplify right side
7,284,678.00x = 40,426,129,285,543.51 - Step 5: Solve for x
x = 40,426,129,285,543.51/7,284,678.00 - Step 6: Final answer
x = 5,549,473.75
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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.