Finding the Fourth Proportional to 8,051,984.35, 11,118,442.74 and 7,467,805.21
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Solution
The fourth proportional to 8,051,984.35, 11,118,442.74 and 7,467,805.21 is: 10,311,789.12
Step by Step Solution
- Step 1: Write the proportion equation
8,051,984.35 : 11,118,442.74 = 7,467,805.21 : x - Step 2: Convert to fraction form
8,051,984.35/11,118,442.74 = 7,467,805.21/x - Step 3: Cross multiply
8,051,984.35x = 11,118,442.74 × 7,467,805.21 - Step 4: Simplify right side
8,051,984.35x = 83,030,364,620,858.67 - Step 5: Solve for x
x = 83,030,364,620,858.67/8,051,984.35 - Step 6: Final answer
x = 10,311,789.12
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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.