Finding the Fourth Proportional to 7,618,532.36, 10,513,877.92 and 4,180,896.42
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Solution
The fourth proportional to 7,618,532.36, 10,513,877.92 and 4,180,896.42 is: 5,769,803.48
Step by Step Solution
- Step 1: Write the proportion equation
7,618,532.36 : 10,513,877.92 = 4,180,896.42 : x - Step 2: Convert to fraction form
7,618,532.36/10,513,877.92 = 4,180,896.42/x - Step 3: Cross multiply
7,618,532.36x = 10,513,877.92 × 4,180,896.42 - Step 4: Simplify right side
7,618,532.36x = 43,957,434,556,045.05 - Step 5: Solve for x
x = 43,957,434,556,045.05/7,618,532.36 - Step 6: Final answer
x = 5,769,803.48
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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.