Finding the Fourth Proportional to 14,253,815.63, 19,670,419.71 and 8,373,697.67
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Solution
The fourth proportional to 14,253,815.63, 19,670,419.71 and 8,373,697.67 is: 11,555,793.34
Step by Step Solution
- Step 1: Write the proportion equation
14,253,815.63 : 19,670,419.71 = 8,373,697.67 : x - Step 2: Convert to fraction form
14,253,815.63/19,670,419.71 = 8,373,697.67/x - Step 3: Cross multiply
14,253,815.63x = 19,670,419.71 × 8,373,697.67 - Step 4: Simplify right side
14,253,815.63x = 164,714,147,693,549.09 - Step 5: Solve for x
x = 164,714,147,693,549.09/14,253,815.63 - Step 6: Final answer
x = 11,555,793.34
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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.