Finding the Fourth Proportional to 11,897,099.63, 16,418,095.90 and 6,464,591.63
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Solution
The fourth proportional to 11,897,099.63, 16,418,095.90 and 6,464,591.63 is: 8,921,189.92
Step by Step Solution
- Step 1: Write the proportion equation
11,897,099.63 : 16,418,095.90 = 6,464,591.63 : x - Step 2: Convert to fraction form
11,897,099.63/16,418,095.90 = 6,464,591.63/x - Step 3: Cross multiply
11,897,099.63x = 16,418,095.90 × 6,464,591.63 - Step 4: Simplify right side
11,897,099.63x = 106,136,285,237,425.36 - Step 5: Solve for x
x = 106,136,285,237,425.36/11,897,099.63 - Step 6: Final answer
x = 8,921,189.92
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1.5x scale
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.