Finding the Fourth Proportional to 7,461,491.30, 11,192,236.95 and 7,461,491.30
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Solution
The fourth proportional to 7,461,491.30, 11,192,236.95 and 7,461,491.30 is: 11,192,236.95
Step by Step Solution
- Step 1: Write the proportion equation
7,461,491.30 : 11,192,236.95 = 7,461,491.30 : x - Step 2: Convert to fraction form
7,461,491.30/11,192,236.95 = 7,461,491.30/x - Step 3: Cross multiply
7,461,491.30x = 11,192,236.95 × 7,461,491.30 - Step 4: Simplify right side
7,461,491.30x = 83,510,778,629,963.53 - Step 5: Solve for x
x = 83,510,778,629,963.53/7,461,491.30 - Step 6: Final answer
x = 11,192,236.95
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1.5x scale
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.