Finding the Fourth Proportional to 8,347,219.58, 11,529,968.56 and 6,902,749.82
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Solution
The fourth proportional to 8,347,219.58, 11,529,968.56 and 6,902,749.82 is: 9,534,730.41
Step by Step Solution
- Step 1: Write the proportion equation
8,347,219.58 : 11,529,968.56 = 6,902,749.82 : x - Step 2: Convert to fraction form
8,347,219.58/11,529,968.56 = 6,902,749.82/x - Step 3: Cross multiply
8,347,219.58x = 11,529,968.56 × 6,902,749.82 - Step 4: Simplify right side
8,347,219.58x = 79,588,488,402,145.67 - Step 5: Solve for x
x = 79,588,488,402,145.67/8,347,219.58 - Step 6: Final answer
x = 9,534,730.41
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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.