Finding the Fourth Proportional to 18,018,727.09, 24,865,835.57 and 9,758,789.79
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Solution
The fourth proportional to 18,018,727.09, 24,865,835.57 and 9,758,789.79 is: 13,467,125.68
Step by Step Solution
- Step 1: Write the proportion equation
18,018,727.09 : 24,865,835.57 = 9,758,789.79 : x - Step 2: Convert to fraction form
18,018,727.09/24,865,835.57 = 9,758,789.79/x - Step 3: Cross multiply
18,018,727.09x = 24,865,835.57 × 9,758,789.79 - Step 4: Simplify right side
18,018,727.09x = 242,660,462,229,782.66 - Step 5: Solve for x
x = 242,660,462,229,782.66/18,018,727.09 - Step 6: Final answer
x = 13,467,125.68
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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.