Finding the Fourth Proportional to 10,790,637.10, 16,185,955.65 and 7,389,414.70
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Solution
The fourth proportional to 10,790,637.10, 16,185,955.65 and 7,389,414.70 is: 11,084,122.05
Step by Step Solution
- Step 1: Write the proportion equation
10,790,637.10 : 16,185,955.65 = 7,389,414.70 : x - Step 2: Convert to fraction form
10,790,637.10/16,185,955.65 = 7,389,414.70/x - Step 3: Cross multiply
10,790,637.10x = 16,185,955.65 × 7,389,414.70 - Step 4: Simplify right side
10,790,637.10x = 119,604,738,613,658.06 - Step 5: Solve for x
x = 119,604,738,613,658.06/10,790,637.10 - Step 6: Final answer
x = 11,084,122.05
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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.