Finding the Fourth Proportional to 12,155,274.05, 16,757,862.73 and 7,796,793.65
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Solution
The fourth proportional to 12,155,274.05, 16,757,862.73 and 7,796,793.65 is: 10,749,045.82
Step by Step Solution
- Step 1: Write the proportion equation
12,155,274.05 : 16,757,862.73 = 7,796,793.65 : x - Step 2: Convert to fraction form
12,155,274.05/16,757,862.73 = 7,796,793.65/x - Step 3: Cross multiply
12,155,274.05x = 16,757,862.73 × 7,796,793.65 - Step 4: Simplify right side
12,155,274.05x = 130,657,597,617,554.36 - Step 5: Solve for x
x = 130,657,597,617,554.36/12,155,274.05 - Step 6: Final answer
x = 10,749,045.82
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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.