Finding the Fourth Proportional to 69,545,658.20, 104,313,821.70 and 18,426,579.80
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Solution
The fourth proportional to 69,545,658.20, 104,313,821.70 and 18,426,579.80 is: 27,638,633.52
Step by Step Solution
- Step 1: Write the proportion equation
69,545,658.20 : 104,313,821.70 = 18,426,579.80 : x - Step 2: Convert to fraction form
69,545,658.20/104,313,821.70 = 18,426,579.80/x - Step 3: Cross multiply
69,545,658.20x = 104,313,821.70 × 18,426,579.80 - Step 4: Simplify right side
69,545,658.20x = 1,922,146,959,798,021.75 - Step 5: Solve for x
x = 1,922,146,959,798,021.75/69,545,658.20 - Step 6: Final answer
x = 27,638,633.52
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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.