Finding the Fourth Proportional to 18,944,709.64, 26,145,725.34 and 11,607,412.12
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Solution
The fourth proportional to 18,944,709.64, 26,145,725.34 and 11,607,412.12 is: 16,019,470.08
Step by Step Solution
- Step 1: Write the proportion equation
18,944,709.64 : 26,145,725.34 = 11,607,412.12 : x - Step 2: Convert to fraction form
18,944,709.64/26,145,725.34 = 11,607,412.12/x - Step 3: Cross multiply
18,944,709.64x = 26,145,725.34 × 11,607,412.12 - Step 4: Simplify right side
18,944,709.64x = 303,484,209,197,707.12 - Step 5: Solve for x
x = 303,484,209,197,707.12/18,944,709.64 - Step 6: Final answer
x = 16,019,470.08
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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.