Finding the Fourth Proportional to 9,102,239.24, 12,561,471.77 and 5,234,763.42
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Solution
The fourth proportional to 9,102,239.24, 12,561,471.77 and 5,234,763.42 is: 7,224,192.99
Step by Step Solution
- Step 1: Write the proportion equation
9,102,239.24 : 12,561,471.77 = 5,234,763.42 : x - Step 2: Convert to fraction form
9,102,239.24/12,561,471.77 = 5,234,763.42/x - Step 3: Cross multiply
9,102,239.24x = 12,561,471.77 × 5,234,763.42 - Step 4: Simplify right side
9,102,239.24x = 65,756,332,896,784.84 - Step 5: Solve for x
x = 65,756,332,896,784.84/9,102,239.24 - Step 6: Final answer
x = 7,224,192.99
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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.