Finding the Fourth Proportional to 7,953,739.96, 10,972,408.62 and 5,376,320.44
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Solution
The fourth proportional to 7,953,739.96, 10,972,408.62 and 5,376,320.44 is: 7,416,785.69
Step by Step Solution
- Step 1: Write the proportion equation
7,953,739.96 : 10,972,408.62 = 5,376,320.44 : x - Step 2: Convert to fraction form
7,953,739.96/10,972,408.62 = 5,376,320.44/x - Step 3: Cross multiply
7,953,739.96x = 10,972,408.62 × 5,376,320.44 - Step 4: Simplify right side
7,953,739.96x = 58,991,184,739,738.20 - Step 5: Solve for x
x = 58,991,184,739,738.20/7,953,739.96 - Step 6: Final answer
x = 7,416,785.69
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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.