Finding the Fourth Proportional to 14,192,793.68, 19,586,052.32 and 7,666,423.40
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Solution
The fourth proportional to 14,192,793.68, 19,586,052.32 and 7,666,423.40 is: 10,579,662.70
Step by Step Solution
- Step 1: Write the proportion equation
14,192,793.68 : 19,586,052.32 = 7,666,423.40 : x - Step 2: Convert to fraction form
14,192,793.68/19,586,052.32 = 7,666,423.40/x - Step 3: Cross multiply
14,192,793.68x = 19,586,052.32 × 7,666,423.40 - Step 4: Simplify right side
14,192,793.68x = 150,154,969,830,305.31 - Step 5: Solve for x
x = 150,154,969,830,305.31/14,192,793.68 - Step 6: Final answer
x = 10,579,662.70
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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.