Finding the Fourth Proportional to 7,117,905.63, 10,693,891.49 and 4,564,124.01
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Solution
The fourth proportional to 7,117,905.63, 10,693,891.49 and 4,564,124.01 is: 6,857,107.90
Step by Step Solution
- Step 1: Write the proportion equation
7,117,905.63 : 10,693,891.49 = 4,564,124.01 : x - Step 2: Convert to fraction form
7,117,905.63/10,693,891.49 = 4,564,124.01/x - Step 3: Cross multiply
7,117,905.63x = 10,693,891.49 × 4,564,124.01 - Step 4: Simplify right side
7,117,905.63x = 48,808,246,887,023.05 - Step 5: Solve for x
x = 48,808,246,887,023.05/7,117,905.63 - Step 6: Final answer
x = 6,857,107.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.